22888947 has 16 divisors (see below), whose sum is σ = 31409280. Its totient is φ = 14817600.

The previous prime is 22888937. The next prime is 22888963. The reversal of 22888947 is 74988822.

It is not a de Polignac number, because 22888947 - 2⁶ = 22888883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22888896 and 22888905.

It is not an unprimeable number, because it can be changed into a prime (22888937) 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, 46372 + ... + 46862.

It is an arithmetic number, because the mean of its divisors is an integer number (1963080).

Almost surely, 2^22888947 is an apocalyptic number.

22888947 is a deficient number, since it is larger than the sum of its proper divisors (8520333).

22888947 is a wasteful number, since it uses less digits than its factorization.

22888947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its digits is 516096, while the sum is 48.

The square root of 22888947 is about 4784.2394379880. The cubic root of 22888947 is about 283.9282492484.

The spelling of 22888947 in words is "twenty-two million, eight hundred eighty-eight thousand, nine hundred forty-seven".