22665227 has 8 divisors (see below), whose sum is σ = 24596880. Its totient is φ = 20760480.

The previous prime is 22665217. The next prime is 22665241. The reversal of 22665227 is 72256622.

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

It is not a de Polignac number, because 22665227 - 2⁶ = 22665163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22665193 and 22665202.

It is not an unprimeable number, because it can be changed into a prime (22665217) 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, 4952 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (3074610).

Almost surely, 2^22665227 is an apocalyptic number.

22665227 is a deficient number, since it is larger than the sum of its proper divisors (1931653).

22665227 is a wasteful number, since it uses less digits than its factorization.

22665227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13453.

The product of its digits is 20160, while the sum is 32.

The square root of 22665227 is about 4760.8010880523. The cubic root of 22665227 is about 283.0001664814. Note that the first 3 decimals are identical.

The spelling of 22665227 in words is "twenty-two million, six hundred sixty-five thousand, two hundred twenty-seven".