22054938 has 32 divisors (see below), whose sum is σ = 45391104. Its totient is φ = 7140672.

The previous prime is 22054937. The next prime is 22054939. The reversal of 22054938 is 83945022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22054937) and next prime (22054939).

It is a junction number, because it is equal to n+sod(n) for n = 22054899 and 22054908.

It is not an unprimeable number, because it can be changed into a prime (22054931) 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, 55356 + ... + 55752.

It is an arithmetic number, because the mean of its divisors is an integer number (1418472).

Almost surely, 2^22054938 is an apocalyptic number.

22054938 is an abundant number, since it is smaller than the sum of its proper divisors (23336166).

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

22054938 is a wasteful number, since it uses less digits than its factorization.

22054938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 22054938 is about 4696.2685187285. The cubic root of 22054938 is about 280.4369792425.

The spelling of 22054938 in words is "twenty-two million, fifty-four thousand, nine hundred thirty-eight".