22442750 has 32 divisors (see below), whose sum is σ = 45837792. Its totient is φ = 8160000.

The previous prime is 22442747. The next prime is 22442753. The reversal of 22442750 is 5724422.

It is an interprime number because it is at equal distance from previous prime (22442747) and next prime (22442753).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442753) 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, 1331 + ... + 6830.

It is an arithmetic number, because the mean of its divisors is an integer number (1432431).

Almost surely, 2^22442750 is an apocalyptic number.

22442750 is an abundant number, since it is smaller than the sum of its proper divisors (23395042).

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

22442750 is a wasteful number, since it uses less digits than its factorization.

22442750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 22442750 is about 4737.3779667660. The cubic root of 22442750 is about 282.0711639054.

It can be divided in two parts, 2244 and 2750, that added together give a palindrome (4994).

The spelling of 22442750 in words is "twenty-two million, four hundred forty-two thousand, seven hundred fifty".