22280804 has 24 divisors (see below), whose sum is σ = 47990208. Its totient is φ = 8814240.

The previous prime is 22280801. The next prime is 22280833. The reversal of 22280804 is 40808222.

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 Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (22280801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30242 + ... + 30969.

It is an arithmetic number, because the mean of its divisors is an integer number (1999592).

Almost surely, 2^22280804 is an apocalyptic number.

It is an amenable number.

22280804 is an abundant number, since it is smaller than the sum of its proper divisors (25709404).

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

22280804 is a wasteful number, since it uses less digits than its factorization.

22280804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61235 (or 61233 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 22280804 is about 4720.2546541474. The cubic root of 22280804 is about 281.3910539210.

The spelling of 22280804 in words is "twenty-two million, two hundred eighty thousand, eight hundred four".