22395220 has 24 divisors (see below), whose sum is σ = 47829600. Its totient is φ = 8805792.

The previous prime is 22395211. The next prime is 22395223. The reversal of 22395220 is 2259322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22395223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8310 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (1992900).

Almost surely, 2^22395220 is an apocalyptic number.

22395220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22395220 is an abundant number, since it is smaller than the sum of its proper divisors (25434380).

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

22395220 is a wasteful number, since it uses less digits than its factorization.

22395220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19047 (or 19045 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22395220 is about 4732.3588198699. The cubic root of 22395220 is about 281.8718966133.

The spelling of 22395220 in words is "twenty-two million, three hundred ninety-five thousand, two hundred twenty".