22251115151 has 4 divisors (see below), whose sum is σ = 22362930000. Its totient is φ = 22139300304.

The previous prime is 22251115123. The next prime is 22251115169. The reversal of 22251115151 is 15151115222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22251115151 - 2¹⁴ = 22251098767 is a prime.

It is a super-2 number, since 2×22251115151² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22251115151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251115351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55907126 + ... + 55907523.

It is an arithmetic number, because the mean of its divisors is an integer number (5590732500).

Almost surely, 2^22251115151 is an apocalyptic number.

22251115151 is a deficient number, since it is larger than the sum of its proper divisors (111814849).

22251115151 is a wasteful number, since it uses less digits than its factorization.

22251115151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111814848.

The product of its digits is 1000, while the sum is 26.

The spelling of 22251115151 in words is "twenty-two billion, two hundred fifty-one million, one hundred fifteen thousand, one hundred fifty-one".