22661502862152 has 256 divisors, whose sum is σ = 72491417856000. Its totient is φ = 5852076867840.

The previous prime is 22661502862127. The next prime is 22661502862213. The reversal of 22661502862152 is 25126820516622.

It is a super-2 number, since 2×22661502862152² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14942203 + ... + 16388789.

It is an arithmetic number, because the mean of its divisors is an integer number (283169601000).

Almost surely, 2^{22661502862152} is an apocalyptic number.

22661502862152 is a gapful number since it is divisible by the number (22) 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 22661502862152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36245708928000).

22661502862152 is an abundant number, since it is smaller than the sum of its proper divisors (49829914993848).

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

22661502862152 is a wasteful number, since it uses less digits than its factorization.

22661502862152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446801 (or 1446783 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 22661502862152 in words is "twenty-two trillion, six hundred sixty-one billion, five hundred two million, eight hundred sixty-two thousand, one hundred fifty-two".