22457555120 has 640 divisors, whose sum is σ = 74515230720. Its totient is φ = 6066339840.

The previous prime is 22457555111. The next prime is 22457555129. The reversal of 22457555120 is 2155575422.

It is an interprime number because it is at equal distance from previous prime (22457555111) and next prime (22457555129).

It is not an unprimeable number, because it can be changed into a prime (22457555129) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 163923692 + ... + 163923828.

It is an arithmetic number, because the mean of its divisors is an integer number (116430048).

Almost surely, 2^22457555120 is an apocalyptic number.

22457555120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22457555120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37257615360).

22457555120 is an abundant number, since it is smaller than the sum of its proper divisors (52057675600).

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

22457555120 is a wasteful number, since it uses less digits than its factorization.

22457555120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 22457555120 in words is "twenty-two billion, four hundred fifty-seven million, five hundred fifty-five thousand, one hundred twenty".