22279004 has 36 divisors (see below), whose sum is σ = 43257984. Its totient is φ = 10032000.

The previous prime is 22278983. The next prime is 22279009. The reversal of 22279004 is 40097222.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22279009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92324 + ... + 92564.

Almost surely, 2^22279004 is an apocalyptic number.

It is an amenable number.

22279004 is a deficient number, since it is larger than the sum of its proper divisors (20978980).

22279004 is a wasteful number, since it uses less digits than its factorization.

22279004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22279004 is about 4720.0639826172. The cubic root of 22279004 is about 281.3834761343.

The spelling of 22279004 in words is "twenty-two million, two hundred seventy-nine thousand, four".