22865149 has 8 divisors (see below), whose sum is σ = 23566688. Its totient is φ = 22168080.

The previous prime is 22865107. The next prime is 22865173. The reversal of 22865149 is 94156822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22865149 - 2⁹ = 22864637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22866149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11314 + ... + 13180.

It is an arithmetic number, because the mean of its divisors is an integer number (2945836).

Almost surely, 2^22865149 is an apocalyptic number.

It is an amenable number.

22865149 is a deficient number, since it is larger than the sum of its proper divisors (701539).

22865149 is a wasteful number, since it uses less digits than its factorization.

22865149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235.

The product of its digits is 34560, while the sum is 37.

The square root of 22865149 is about 4781.7516664921. The cubic root of 22865149 is about 283.8298135625.

The spelling of 22865149 in words is "twenty-two million, eight hundred sixty-five thousand, one hundred forty-nine".