22256416 has 48 divisors (see below), whose sum is σ = 53936064. Its totient is φ = 8803584.

The previous prime is 22256411. The next prime is 22256431. The reversal of 22256416 is 61465222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22256411) 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 7 ways as a sum of consecutive naturals, for example, 910 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (1123668).

Almost surely, 2^22256416 is an apocalyptic number.

22256416 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22256416 is an abundant number, since it is smaller than the sum of its proper divisors (31679648).

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

22256416 is a wasteful number, since it uses less digits than its factorization.

22256416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673 (or 7665 counting only the distinct ones).

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

The square root of 22256416 is about 4717.6706116472. The cubic root of 22256416 is about 281.2883486145.

The spelling of 22256416 in words is "twenty-two million, two hundred fifty-six thousand, four hundred sixteen".