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1421103222 = 2327111025327
BaseRepresentation
bin101010010110100…
…0101000001110110
310200001001112010200
41110231011001312
510402300300342
6353003101330
750134115040
oct12455050166
93601045120
101421103222
1166a1a2980
12337b11846
1319855a0a6
14d6a46a90
1584b6294c
hex54b45076

1421103222 has 48 divisors (see below), whose sum is σ = 3838828032. Its totient is φ = 369117360.

The previous prime is 1421103199. The next prime is 1421103223. The reversal of 1421103222 is 2223011241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1421103195 and 1421103204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421103223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511278 + ... + 514049.

It is an arithmetic number, because the mean of its divisors is an integer number (79975584).

Almost surely, 21421103222 is an apocalyptic number.

1421103222 is an abundant number, since it is smaller than the sum of its proper divisors (2417724810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421103222 is a wasteful number, since it uses less digits than its factorization.

1421103222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025353 (or 1025350 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1421103222 is about 37697.5227568072. The cubic root of 1421103222 is about 1124.2818717644.

Adding to 1421103222 its reverse (2223011241), we get a palindrome (3644114463).

The spelling of 1421103222 in words is "one billion, four hundred twenty-one million, one hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 1025327 2050654 3075981 6151962 7177289 9227943 11278597 14354578 18455886 21531867 22557194 33835791 43063734 64595601 67671582 78950179 101507373 129191202 157900358 203014746 236850537 473701074 710551611 1421103222