22888897 has 4 divisors (see below), whose sum is σ = 22902100. Its totient is φ = 22875696.

The previous prime is 22888889. The next prime is 22888913. The reversal of 22888897 is 79888822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9339136 + 13549761 = 3056^2 + 3681^2 .

It is a cyclic number.

It is not a de Polignac number, because 22888897 - 2³ = 22888889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22888837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (5725525).

Almost surely, 2^22888897 is an apocalyptic number.

It is an amenable number.

22888897 is a deficient number, since it is larger than the sum of its proper divisors (13203).

22888897 is a wasteful number, since it uses less digits than its factorization.

22888897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202.

The product of its digits is 1032192, while the sum is 52.

The square root of 22888897 is about 4784.2342124942. The cubic root of 22888897 is about 283.9280425049.

The spelling of 22888897 in words is "twenty-two million, eight hundred eighty-eight thousand, eight hundred ninety-seven".