22400934 has 32 divisors (see below), whose sum is σ = 49079520. Its totient is φ = 6784512.

The previous prime is 22400933. The next prime is 22400957. The reversal of 22400934 is 43900422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829 + ... + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (1533735).

Almost surely, 2^22400934 is an apocalyptic number.

22400934 is an abundant number, since it is smaller than the sum of its proper divisors (26678586).

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

22400934 is a wasteful number, since it uses less digits than its factorization.

22400934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22400934 is about 4732.9624972104. The cubic root of 22400934 is about 281.8958671907.

The spelling of 22400934 in words is "twenty-two million, four hundred thousand, nine hundred thirty-four".