22154708352 has 64 divisors (see below), whose sum is σ = 67255372800. Its totient is φ = 6329915904.

The previous prime is 22154708333. The next prime is 22154708353. The reversal of 22154708352 is 25380745122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×22154708352² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22154708352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154708353) 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, 4118352 + ... + 4123727.

It is an arithmetic number, because the mean of its divisors is an integer number (1050865200).

Almost surely, 2^22154708352 is an apocalyptic number.

It is an amenable number.

22154708352 is an abundant number, since it is smaller than the sum of its proper divisors (45100664448).

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

22154708352 is an equidigital number, since it uses as much as digits as its factorization.

22154708352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242103 (or 8242091 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 22154708352 in words is "twenty-two billion, one hundred fifty-four million, seven hundred eight thousand, three hundred fifty-two".