22756842 has 16 divisors (see below), whose sum is σ = 50570880. Its totient is φ = 7585596.

The previous prime is 22756787. The next prime is 22756859. The reversal of 22756842 is 24865722.

It is a junction number, because it is equal to n+sod(n) for n = 22756797 and 22756806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210658 + ... + 210765.

It is an arithmetic number, because the mean of its divisors is an integer number (3160680).

Almost surely, 2^22756842 is an apocalyptic number.

22756842 is an abundant number, since it is smaller than the sum of its proper divisors (27814038).

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

22756842 is a wasteful number, since it uses less digits than its factorization.

22756842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421434 (or 421428 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22756842 is about 4770.4131896514. The cubic root of 22756842 is about 283.3809583919.

The spelling of 22756842 in words is "twenty-two million, seven hundred fifty-six thousand, eight hundred forty-two".