22415930 has 16 divisors (see below), whose sum is σ = 41333544. Its totient is φ = 8747520.

The previous prime is 22415917. The next prime is 22415933. The reversal of 22415930 is 3951422.

It can be written as a sum of positive squares in 4 ways, for example, as 7524049 + 14891881 = 2743^2 + 3859^2 .

It is a super-6 number, since 6×22415930⁶ (a number of 45 digits) contains 666666 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22415930.

It is not an unprimeable number, because it can be changed into a prime (22415933) 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 7 ways as a sum of consecutive naturals, for example, 26927 + ... + 27746.

Almost surely, 2^22415930 is an apocalyptic number.

22415930 is a deficient number, since it is larger than the sum of its proper divisors (18917614).

22415930 is a wasteful number, since it uses less digits than its factorization.

22415930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54721.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 22415930 is about 4734.5464407903. The cubic root of 22415930 is about 281.9587569414.

The spelling of 22415930 in words is "twenty-two million, four hundred fifteen thousand, nine hundred thirty".