22653420 has 24 divisors (see below), whose sum is σ = 63429744. Its totient is φ = 6040896.

The previous prime is 22653403. The next prime is 22653427. The reversal of 22653420 is 2435622.

It is not an unprimeable number, because it can be changed into a prime (22653427) 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, 188719 + ... + 188838.

It is an arithmetic number, because the mean of its divisors is an integer number (2642906).

Almost surely, 2^22653420 is an apocalyptic number.

22653420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22653420 is an abundant number, since it is smaller than the sum of its proper divisors (40776324).

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

22653420 is a wasteful number, since it uses less digits than its factorization.

22653420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377569 (or 377567 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22653420 is about 4759.5609041171. The cubic root of 22653420 is about 282.9510168399.

The spelling of 22653420 in words is "twenty-two million, six hundred fifty-three thousand, four hundred twenty".