22430404 has 6 divisors (see below), whose sum is σ = 39253214. Its totient is φ = 11215200.

The previous prime is 22430381. The next prime is 22430407. The reversal of 22430404 is 40403422.

It can be written as a sum of positive squares in only one way, i.e., 15618304 + 6812100 = 3952^2 + 2610^2 .

It is not an unprimeable number, because it can be changed into a prime (22430407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803797 + ... + 2803804.

Almost surely, 2^22430404 is an apocalyptic number.

It is an amenable number.

22430404 is a deficient number, since it is larger than the sum of its proper divisors (16822810).

22430404 is a wasteful number, since it uses less digits than its factorization.

22430404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607605 (or 5607603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 22430404 is about 4736.0747460318. The cubic root of 22430404 is about 282.0194309499.

Adding to 22430404 its reverse (40403422), we get a palindrome (62833826).

It can be divided in two parts, 224 and 30404, that added together give a triangular number (30628 = T₂₄₇).

The spelling of 22430404 in words is "twenty-two million, four hundred thirty thousand, four hundred four".