22554645522 has 16 divisors (see below), whose sum is σ = 45555918912. Its totient is φ = 7443777200.

The previous prime is 22554645517. The next prime is 22554645527.

22554645522 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22554645517) and next prime (22554645527).

It is not an unprimeable number, because it can be changed into a prime (22554645527) 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, 18608838 + ... + 18610049.

It is an arithmetic number, because the mean of its divisors is an integer number (2847244932).

Almost surely, 2^22554645522 is an apocalyptic number.

22554645522 is an abundant number, since it is smaller than the sum of its proper divisors (23001273390).

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

22554645522 is a wasteful number, since it uses less digits than its factorization.

22554645522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37218993.

The product of its digits is 960000, while the sum is 42.

The spelling of 22554645522 in words is "twenty-two billion, five hundred fifty-four million, six hundred forty-five thousand, five hundred twenty-two".