22441420 has 12 divisors (see below), whose sum is σ = 47127024. Its totient is φ = 8976560.

The previous prime is 22441379. The next prime is 22441459. The reversal of 22441420 is 2414422.

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, 561016 + ... + 561055.

It is an arithmetic number, because the mean of its divisors is an integer number (3927252).

Almost surely, 2^22441420 is an apocalyptic number.

22441420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22441420 is an abundant number, since it is smaller than the sum of its proper divisors (24685604).

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

22441420 is a wasteful number, since it uses less digits than its factorization.

22441420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122080 (or 1122078 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 22441420 is about 4737.2375916772. The cubic root of 22441420 is about 282.0655917710.

Adding to 22441420 its reverse (2414422), we get a palindrome (24855842).

The spelling of 22441420 in words is "twenty-two million, four hundred forty-one thousand, four hundred twenty".