22115097 has 12 divisors (see below), whose sum is σ = 32039124. Its totient is φ = 14699520.

The previous prime is 22115089. The next prime is 22115099. The reversal of 22115097 is 79051122.

It can be written as a sum of positive squares in 2 ways, for example, as 13329801 + 8785296 = 3651^2 + 2964^2 .

It is not a de Polignac number, because 22115097 - 2³ = 22115089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22115097.

It is not an unprimeable number, because it can be changed into a prime (22115099) 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, 304 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (2669927).

Almost surely, 2^22115097 is an apocalyptic number.

It is an amenable number.

22115097 is a deficient number, since it is larger than the sum of its proper divisors (9924027).

22115097 is a wasteful number, since it uses less digits than its factorization.

22115097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320 (or 7317 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 22115097 is about 4702.6691357143. The cubic root of 22115097 is about 280.6917293277.

The spelling of 22115097 in words is "twenty-two million, one hundred fifteen thousand, ninety-seven".