22158114552 has 48 divisors (see below), whose sum is σ = 68584641840. Its totient is φ = 6330889728.

The previous prime is 22158114547. The next prime is 22158114553. The reversal of 22158114552 is 25541185122.

22158114552 is a `hidden beast` number, since 2 + 2 + 15 + 81 + 14 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22158114553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21981753 + ... + 21982760.

It is an arithmetic number, because the mean of its divisors is an integer number (1428846705).

Almost surely, 2^22158114552 is an apocalyptic number.

It is an amenable number.

22158114552 is an abundant number, since it is smaller than the sum of its proper divisors (46426527288).

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

22158114552 is a wasteful number, since it uses less digits than its factorization.

22158114552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43964532 (or 43964525 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

Adding to 22158114552 its reverse (25541185122), we get a palindrome (47699299674).

The spelling of 22158114552 in words is "twenty-two billion, one hundred fifty-eight million, one hundred fourteen thousand, five hundred fifty-two".