22421948 has 12 divisors (see below), whose sum is σ = 39679920. Its totient is φ = 11084832.

The previous prime is 22421939. The next prime is 22421983. The reversal of 22421948 is 84912422.

It is a happy number.

It is a super-2 number, since 2×22421948² = 1005487504229408, which contains 22 as substring.

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, 31136 + ... + 31847.

It is an arithmetic number, because the mean of its divisors is an integer number (3306660).

Almost surely, 2^22421948 is an apocalyptic number.

It is an amenable number.

22421948 is a deficient number, since it is larger than the sum of its proper divisors (17257972).

22421948 is a wasteful number, since it uses less digits than its factorization.

22421948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63076 (or 63074 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 22421948 is about 4735.1819394824. The cubic root of 22421948 is about 281.9839871531.

The spelling of 22421948 in words is "twenty-two million, four hundred twenty-one thousand, nine hundred forty-eight".