22320856 has 16 divisors (see below), whose sum is σ = 43671600. Its totient is φ = 10675104.

The previous prime is 22320841. The next prime is 22320869. The reversal of 22320856 is 65802322.

It is a super-3 number, since 3×22320856³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60471 + ... + 60838.

It is an arithmetic number, because the mean of its divisors is an integer number (2729475).

Almost surely, 2^22320856 is an apocalyptic number.

It is an amenable number.

22320856 is a deficient number, since it is larger than the sum of its proper divisors (21350744).

22320856 is a wasteful number, since it uses less digits than its factorization.

22320856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121338 (or 121334 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22320856 is about 4724.4953169624. The cubic root of 22320856 is about 281.5595626228.

The spelling of 22320856 in words is "twenty-two million, three hundred twenty thousand, eight hundred fifty-six".