22402930 has 16 divisors (see below), whose sum is σ = 43991424. Its totient is φ = 8146480.

The previous prime is 22402903. The next prime is 22402931. The reversal of 22402930 is 3920422.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22402931) 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, 101722 + ... + 101941.

It is an arithmetic number, because the mean of its divisors is an integer number (2749464).

Almost surely, 2^22402930 is an apocalyptic number.

22402930 is a deficient number, since it is larger than the sum of its proper divisors (21588494).

22402930 is a wasteful number, since it uses less digits than its factorization.

22402930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203681.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22402930 is about 4733.1733541040. The cubic root of 22402930 is about 281.9042395713.

It can be divided in two parts, 22402 and 930, that added together give a palindrome (23332).

The spelling of 22402930 in words is "twenty-two million, four hundred two thousand, nine hundred thirty".