22130404 has 24 divisors (see below), whose sum is σ = 40174848. Its totient is φ = 10655520.

The previous prime is 22130401. The next prime is 22130411. The reversal of 22130404 is 40403122.

It is not an unprimeable number, because it can be changed into a prime (22130401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39027 + ... + 39589.

It is an arithmetic number, because the mean of its divisors is an integer number (1673952).

Almost surely, 2^22130404 is an apocalyptic number.

It is an amenable number.

22130404 is a deficient number, since it is larger than the sum of its proper divisors (18044444).

22130404 is a wasteful number, since it uses less digits than its factorization.

22130404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22130404 is about 4704.2963342034. The cubic root of 22130404 is about 280.7564748029.

Adding to 22130404 its reverse (40403122), we get a palindrome (62533526).

It can be divided in two parts, 221 and 30404, that added together give a square (30625 = 175²).

The spelling of 22130404 in words is "twenty-two million, one hundred thirty thousand, four hundred four".