22779004 has 12 divisors (see below), whose sum is σ = 40043584. Its totient is φ = 11337984.

The previous prime is 22778999. The next prime is 22779011. The reversal of 22779004 is 40097722.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11877 + ... + 13660.

Almost surely, 2^22779004 is an apocalyptic number.

It is an amenable number.

22779004 is a deficient number, since it is larger than the sum of its proper divisors (17264580).

22779004 is a wasteful number, since it uses less digits than its factorization.

22779004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25764 (or 25762 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 22779004 is about 4772.7354839756. The cubic root of 22779004 is about 283.4729197632.

The spelling of 22779004 in words is "twenty-two million, seven hundred seventy-nine thousand, four".