22241916 has 36 divisors (see below), whose sum is σ = 59531472. Its totient is φ = 6977664.

The previous prime is 22241893. The next prime is 22241929. The reversal of 22241916 is 61914222.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22241916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17560 + ... + 18783.

It is an arithmetic number, because the mean of its divisors is an integer number (1653652).

Almost surely, 2^22241916 is an apocalyptic number.

It is an amenable number.

22241916 is an abundant number, since it is smaller than the sum of its proper divisors (37289556).

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

22241916 is a wasteful number, since it uses less digits than its factorization.

22241916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36370 (or 36365 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 22241916 is about 4716.1335858943. The cubic root of 22241916 is about 281.2272491226.

The spelling of 22241916 in words is "twenty-two million, two hundred forty-one thousand, nine hundred sixteen".