22422260 has 24 divisors (see below), whose sum is σ = 53813760. Its totient is φ = 7687584.

The previous prime is 22422247. The next prime is 22422293. The reversal of 22422260 is 6222422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79940 + ... + 80219.

It is an arithmetic number, because the mean of its divisors is an integer number (2242240).

Almost surely, 2^22422260 is an apocalyptic number.

22422260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22422260 is an abundant number, since it is smaller than the sum of its proper divisors (31391500).

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

22422260 is a wasteful number, since it uses less digits than its factorization.

22422260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160175 (or 160173 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22422260 is about 4735.2148842476. The cubic root of 22422260 is about 281.9852950768.

Adding to 22422260 its reverse (6222422), we get a palindrome (28644682).

The spelling of 22422260 in words is "twenty-two million, four hundred twenty-two thousand, two hundred sixty".