22842396 has 18 divisors (see below), whose sum is σ = 57740592. Its totient is φ = 7614120.

The previous prime is 22842383. The next prime is 22842397. The reversal of 22842396 is 69324822.

22842396 is a `hidden beast` number, since 228 + 42 + 396 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 634511 = 22842396 / (2 + 2 + 8 + 4 + 2 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 22842396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22842397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317220 + ... + 317291.

Almost surely, 2^22842396 is an apocalyptic number.

It is an amenable number.

22842396 is an abundant number, since it is smaller than the sum of its proper divisors (34898196).

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

22842396 is a wasteful number, since it uses less digits than its factorization.

22842396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634521 (or 634516 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22842396 is about 4779.3719252638. The cubic root of 22842396 is about 283.7356364222.

It can be divided in two parts, 228 and 42396, that added together give a palindrome (42624).

The spelling of 22842396 in words is "twenty-two million, eight hundred forty-two thousand, three hundred ninety-six".