22115007 has 12 divisors (see below), whose sum is σ = 32157424. Its totient is φ = 14644800.

The previous prime is 22114999. The next prime is 22115033. The reversal of 22115007 is 70051122.

It is not a de Polignac number, because 22115007 - 2³ = 22114999 is a prime.

It is a super-2 number, since 2×22115007² = 978147069220098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22115047) 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, 6778 + ... + 9495.

Almost surely, 2^22115007 is an apocalyptic number.

22115007 is a deficient number, since it is larger than the sum of its proper divisors (10042417).

22115007 is a wasteful number, since it uses less digits than its factorization.

22115007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430 (or 16427 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 22115007 is about 4702.6595666708. The cubic root of 22115007 is about 280.6913485578.

Adding to 22115007 its reverse (70051122), we get a palindrome (92166129).

The spelling of 22115007 in words is "twenty-two million, one hundred fifteen thousand, seven".