22118697 has 16 divisors (see below), whose sum is σ = 33096960. Its totient is φ = 14598000.

The previous prime is 22118693. The next prime is 22118699. The reversal of 22118697 is 79681122.

It is not a de Polignac number, because 22118697 - 2² = 22118693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22118693) 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, 1329 + ... + 6782.

It is an arithmetic number, because the mean of its divisors is an integer number (2068560).

Almost surely, 2^22118697 is an apocalyptic number.

22118697 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22118697 is a deficient number, since it is larger than the sum of its proper divisors (10978263).

22118697 is a wasteful number, since it uses less digits than its factorization.

22118697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221 (or 8215 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 22118697 is about 4703.0518814914. The cubic root of 22118697 is about 280.7069592767.

The spelling of 22118697 in words is "twenty-two million, one hundred eighteen thousand, six hundred ninety-seven".