22442620 has 12 divisors (see below), whose sum is σ = 47129544. Its totient is φ = 8977040.

The previous prime is 22442573. The next prime is 22442633. The reversal of 22442620 is 2624422.

It is a junction number, because it is equal to n+sod(n) for n = 22442591 and 22442600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561046 + ... + 561085.

It is an arithmetic number, because the mean of its divisors is an integer number (3927462).

Almost surely, 2^22442620 is an apocalyptic number.

22442620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442620 is an abundant number, since it is smaller than the sum of its proper divisors (24686924).

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

22442620 is a wasteful number, since it uses less digits than its factorization.

22442620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122140 (or 1122138 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 22442620 is about 4737.3642460761. The cubic root of 22442620 is about 282.0706192704.

The spelling of 22442620 in words is "twenty-two million, four hundred forty-two thousand, six hundred twenty".