22477056 has 144 divisors (see below), whose sum is σ = 70836864. Its totient is φ = 6193152.

The previous prime is 22477051. The next prime is 22477067. The reversal of 22477056 is 65077422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22477051) 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 15 ways as a sum of consecutive naturals, for example, 198856 + ... + 198968.

Almost surely, 2^22477056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22477056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35418432).

22477056 is an abundant number, since it is smaller than the sum of its proper divisors (48359808).

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

22477056 is a wasteful number, since it uses less digits than its factorization.

22477056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 22477056 is about 4740.9973634247. The cubic root of 22477056 is about 282.2148154471.

The spelling of 22477056 in words is "twenty-two million, four hundred seventy-seven thousand, fifty-six".