22042930 has 32 divisors (see below), whose sum is σ = 48835584. Its totient is φ = 6975936.

The previous prime is 22042919. The next prime is 22042939. The reversal of 22042930 is 3924022.

It is not an unprimeable number, because it can be changed into a prime (22042939) 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, 11202 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (1526112).

Almost surely, 2^22042930 is an apocalyptic number.

22042930 is an abundant number, since it is smaller than the sum of its proper divisors (26792654).

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

22042930 is a wasteful number, since it uses less digits than its factorization.

22042930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24250.

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

The square root of 22042930 is about 4694.9898828432. The cubic root of 22042930 is about 280.3860745640.

Adding to 22042930 its reverse (3924022), we get a palindrome (25966952).

The spelling of 22042930 in words is "twenty-two million, forty-two thousand, nine hundred thirty".