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1422001222 = 2711000611
BaseRepresentation
bin101010011000010…
…0000010001000110
310200002202010221221
41110300200101012
510403013014342
6353034230554
750144545105
oct12460402106
93602663857
101422001222
1166a756624
1233828545a
131987b2a55
14d6bdc03c
1584c8da67
hex54c20446

1422001222 has 4 divisors (see below), whose sum is σ = 2133001836. Its totient is φ = 711000610.

The previous prime is 1422001213. The next prime is 1422001241. The reversal of 1422001222 is 2221002241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2221002241 = 20291094629.

It is a junction number, because it is equal to n+sod(n) for n = 1422001196 and 1422001205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355500304 + ... + 355500307.

It is an arithmetic number, because the mean of its divisors is an integer number (533250459).

Almost surely, 21422001222 is an apocalyptic number.

1422001222 is a deficient number, since it is larger than the sum of its proper divisors (711000614).

1422001222 is an equidigital number, since it uses as much as digits as its factorization.

1422001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711000613.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1422001222 is about 37709.4314727761. The cubic root of 1422001222 is about 1124.5186344246.

Adding to 1422001222 its reverse (2221002241), we get a palindrome (3643003463).

The spelling of 1422001222 in words is "one billion, four hundred twenty-two million, one thousand, two hundred twenty-two".

Divisors: 1 2 711000611 1422001222