22594420 has 48 divisors (see below), whose sum is σ = 51327360. Its totient is φ = 8325504.

The previous prime is 22594409. The next prime is 22594423. The reversal of 22594420 is 2449522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22594423) 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, 13257 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (1069320).

Almost surely, 2^22594420 is an apocalyptic number.

22594420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22594420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25663680).

22594420 is an abundant number, since it is smaller than the sum of its proper divisors (28732940).

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

22594420 is a wasteful number, since it uses less digits than its factorization.

22594420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22594420 is about 4753.3588124609. The cubic root of 22594420 is about 282.7051580974.

The spelling of 22594420 in words is "twenty-two million, five hundred ninety-four thousand, four hundred twenty".