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2221401122 = 21482174941
BaseRepresentation
bin1000010001100111…
…1110010000100010
312201210221212110122
42010121332100202
514022134313442
61004232200242
7106022412053
oct20431762042
95653855418
102221401122
11a3aa175a6
1251bb39082
132952b5745
1417104c72a
15d0047dd2
hex8467e422

2221401122 has 8 divisors (see below), whose sum is σ = 3332370972. Its totient is φ = 1110610800.

The previous prime is 2221401109. The next prime is 2221401139. The reversal of 2221401122 is 2211041222.

It can be written as a sum of positive squares in 2 ways, for example, as 2117748361 + 103652761 = 46019^2 + 10181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2221401122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7829 + ... + 67112.

Almost surely, 22221401122 is an apocalyptic number.

2221401122 is a deficient number, since it is larger than the sum of its proper divisors (1110969850).

2221401122 is a wasteful number, since it uses less digits than its factorization.

2221401122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89764.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2221401122 is about 47131.7421914361. The cubic root of 2221401122 is about 1304.7951356554.

Adding to 2221401122 its reverse (2211041222), we get a palindrome (4432442344).

The spelling of 2221401122 in words is "two billion, two hundred twenty-one million, four hundred one thousand, one hundred twenty-two".

Divisors: 1 2 14821 29642 74941 149882 1110700561 2221401122