22397914 has 16 divisors (see below), whose sum is σ = 41887296. Its totient is φ = 8726400.

The previous prime is 22397911. The next prime is 22397923. The reversal of 22397914 is 41979322.

It is not an unprimeable number, because it can be changed into a prime (22397911) 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, 72567 + ... + 72874.

It is an arithmetic number, because the mean of its divisors is an integer number (2617956).

Almost surely, 2^22397914 is an apocalyptic number.

22397914 is a deficient number, since it is larger than the sum of its proper divisors (19489382).

22397914 is a wasteful number, since it uses less digits than its factorization.

22397914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145461.

The product of its digits is 27216, while the sum is 37.

The square root of 22397914 is about 4732.6434473770. The cubic root of 22397914 is about 281.8831986150.

It can be divided in two parts, 2239 and 7914, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 22397914 in words is "twenty-two million, three hundred ninety-seven thousand, nine hundred fourteen".