22057564146 has 16 divisors (see below), whose sum is σ = 44120848608. Its totient is φ = 7351568000.

The previous prime is 22057564127. The next prime is 22057564147. The reversal of 22057564146 is 64146575022.

It is a super-2 number, since 2×22057564146² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22057564098 and 22057564107.

It is not an unprimeable number, because it can be changed into a prime (22057564147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187380 + ... + 281471.

It is an arithmetic number, because the mean of its divisors is an integer number (2757553038).

Almost surely, 2^22057564146 is an apocalyptic number.

22057564146 is an abundant number, since it is smaller than the sum of its proper divisors (22063284462).

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

22057564146 is a wasteful number, since it uses less digits than its factorization.

22057564146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476697.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 22057564146 in words is "twenty-two billion, fifty-seven million, five hundred sixty-four thousand, one hundred forty-six".