22238697 has 32 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 13128192.

The previous prime is 22238681. The next prime is 22238729. The reversal of 22238697 is 79683222.

It is not a de Polignac number, because 22238697 - 2⁴ = 22238681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (22238617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149179 + ... + 149327.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^22238697 is an apocalyptic number.

It is an amenable number.

22238697 is a deficient number, since it is larger than the sum of its proper divisors (11025303).

22238697 is a wasteful number, since it uses less digits than its factorization.

22238697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its digits is 72576, while the sum is 39.

The square root of 22238697 is about 4715.7922982252. The cubic root of 22238697 is about 281.2136814337.

The spelling of 22238697 in words is "twenty-two million, two hundred thirty-eight thousand, six hundred ninety-seven".