22941396 has 72 divisors (see below), whose sum is σ = 61326720. Its totient is φ = 7216704.

The previous prime is 22941377. The next prime is 22941409. The reversal of 22941396 is 69314922.

22941396 is a `hidden beast` number, since 229 + 41 + 396 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (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 22941396.

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 23 ways as a sum of consecutive naturals, for example, 85150 + ... + 85418.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 2^22941396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22941396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30663360).

22941396 is an abundant number, since it is smaller than the sum of its proper divisors (38385324).

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

22941396 is a wasteful number, since it uses less digits than its factorization.

22941396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 400 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 22941396 is about 4789.7177369862. The cubic root of 22941396 is about 284.1449534449.

The spelling of 22941396 in words is "twenty-two million, nine hundred forty-one thousand, three hundred ninety-six".