22270204 has 48 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 9020160.

The previous prime is 22270177. The next prime is 22270207. The reversal of 22270204 is 40207222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22270207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13429 + ... + 14995.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 2^22270204 is an apocalyptic number.

It is an amenable number.

22270204 is an abundant number, since it is smaller than the sum of its proper divisors (25146116).

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

22270204 is a wasteful number, since it uses less digits than its factorization.

22270204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 22270204 is about 4719.1316997939. The cubic root of 22270204 is about 281.3464233008.

Adding to 22270204 its reverse (40207222), we get a palindrome (62477426).

The spelling of 22270204 in words is "twenty-two million, two hundred seventy thousand, two hundred four".