22444656 has 40 divisors (see below), whose sum is σ = 62443920. Its totient is φ = 6905856.

The previous prime is 22444577. The next prime is 22444661. The reversal of 22444656 is 65644422.

It is a super-3 number, since 3×22444656³ (a number of 23 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 17361 + ... + 18608.

It is an arithmetic number, because the mean of its divisors is an integer number (1561098).

Almost surely, 2^22444656 is an apocalyptic number.

22444656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22444656 is an abundant number, since it is smaller than the sum of its proper divisors (39999264).

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

22444656 is a wasteful number, since it uses less digits than its factorization.

22444656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35993 (or 35987 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 22444656 is about 4737.5791286268. The cubic root of 22444656 is about 282.0791488511.

The spelling of 22444656 in words is "twenty-two million, four hundred forty-four thousand, six hundred fifty-six".