22593420 has 72 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 5829120.

The previous prime is 22593409. The next prime is 22593437. The reversal of 22593420 is 2439522.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3556 + ... + 7604.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^22593420 is an apocalyptic number.

22593420 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 22593420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35380800).

22593420 is an abundant number, since it is smaller than the sum of its proper divisors (48168180).

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

22593420 is a wasteful number, since it uses less digits than its factorization.

22593420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095 (or 4090 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 22593420 is about 4753.2536225201. The cubic root of 22593420 is about 282.7009873135.

The spelling of 22593420 in words is "twenty-two million, five hundred ninety-three thousand, four hundred twenty".