22107474 has 12 divisors (see below), whose sum is σ = 47899566. Its totient is φ = 7369152.

The previous prime is 22107451. The next prime is 22107479. The reversal of 22107474 is 47470122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11512449 + 10595025 = 3393^2 + 3255^2 .

It is not an unprimeable number, because it can be changed into a prime (22107479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614079 + ... + 614114.

Almost surely, 2^22107474 is an apocalyptic number.

22107474 is an abundant number, since it is smaller than the sum of its proper divisors (25792092).

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

22107474 is a wasteful number, since it uses less digits than its factorization.

22107474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228201 (or 1228198 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 22107474 is about 4701.8585686939. The cubic root of 22107474 is about 280.6594744544.

Adding to 22107474 its reverse (47470122), we get a palindrome (69577596).

The spelling of 22107474 in words is "twenty-two million, one hundred seven thousand, four hundred seventy-four".