22357910129 has 4 divisors (see below), whose sum is σ = 22438624884. Its totient is φ = 22277195376.

The previous prime is 22357910123. The next prime is 22357910131. The reversal of 22357910129 is 92101975322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9462036529 + 12895873600 = 97273^2 + 113560^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22357910129 is a prime.

It is a super-2 number, since 2×22357910129² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22357910123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40356962 + ... + 40357515.

It is an arithmetic number, because the mean of its divisors is an integer number (5609656221).

Almost surely, 2^22357910129 is an apocalyptic number.

It is an amenable number.

22357910129 is a deficient number, since it is larger than the sum of its proper divisors (80714755).

22357910129 is an equidigital number, since it uses as much as digits as its factorization.

22357910129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80714754.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 22357910129 in words is "twenty-two billion, three hundred fifty-seven million, nine hundred ten thousand, one hundred twenty-nine".