22288934 has 4 divisors (see below), whose sum is σ = 33433404. Its totient is φ = 11144466.

The previous prime is 22288927. The next prime is 22288939. The reversal of 22288934 is 43988222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43988222 = 2 ⋅21994111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22288939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572232 + ... + 5572235.

It is an arithmetic number, because the mean of its divisors is an integer number (8358351).

Almost surely, 2^22288934 is an apocalyptic number.

22288934 is a deficient number, since it is larger than the sum of its proper divisors (11144470).

22288934 is a wasteful number, since it uses less digits than its factorization.

22288934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144469.

The product of its digits is 55296, while the sum is 38.

The square root of 22288934 is about 4721.1157579538. The cubic root of 22288934 is about 281.4252751737.

The spelling of 22288934 in words is "twenty-two million, two hundred eighty-eight thousand, nine hundred thirty-four".