22270056 has 32 divisors (see below), whose sum is σ = 55829760. Its totient is φ = 7402752.

The previous prime is 22270019. The next prime is 22270097. The reversal of 22270056 is 65007222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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, 9321 + ... + 11463.

It is an arithmetic number, because the mean of its divisors is an integer number (1744680).

Almost surely, 2^22270056 is an apocalyptic number.

It is an amenable number.

22270056 is an abundant number, since it is smaller than the sum of its proper divisors (33559704).

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

22270056 is a wasteful number, since it uses less digits than its factorization.

22270056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2581 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22270056 is about 4719.1160189171. The cubic root of 22270056 is about 281.3458000560.

Adding to 22270056 its reverse (65007222), we get a palindrome (87277278).

The spelling of 22270056 in words is "twenty-two million, two hundred seventy thousand, fifty-six".