22115252151 has 16 divisors (see below), whose sum is σ = 32765643520. Its totient is φ = 14742463320.

The previous prime is 22115252147. The next prime is 22115252191. The reversal of 22115252151 is 15125251122.

22115252151 is a `hidden beast` number, since 22 + 115 + 2 + 521 + 5 + 1 = 666.

It is not a de Polignac number, because 22115252151 - 2² = 22115252147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115252191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666996 + ... + 699366.

It is an arithmetic number, because the mean of its divisors is an integer number (2047852720).

Almost surely, 2^22115252151 is an apocalyptic number.

22115252151 is a deficient number, since it is larger than the sum of its proper divisors (10650391369).

22115252151 is a wasteful number, since it uses less digits than its factorization.

22115252151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57683 (or 57677 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The spelling of 22115252151 in words is "twenty-two billion, one hundred fifteen million, two hundred fifty-two thousand, one hundred fifty-one".