22238706 has 32 divisors (see below), whose sum is σ = 51038208. Its totient is φ = 6328080.

The previous prime is 22238681. The next prime is 22238729. The reversal of 22238706 is 60783222.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10951 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (1594944).

Almost surely, 2^22238706 is an apocalyptic number.

22238706 is an abundant number, since it is smaller than the sum of its proper divisors (28799502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22238706 is a wasteful number, since it uses less digits than its factorization.

22238706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22238706 is about 4715.7932524656. The cubic root of 22238706 is about 281.2137193695.

The spelling of 22238706 in words is "twenty-two million, two hundred thirty-eight thousand, seven hundred six".