22285776 has 80 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 6758400.

The previous prime is 22285771. The next prime is 22285777. The reversal of 22285776 is 67758222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22285771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24856 + ... + 25736.

Almost surely, 2^22285776 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 22285776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31497984).

22285776 is an abundant number, since it is smaller than the sum of its proper divisors (40710192).

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

22285776 is a wasteful number, since it uses less digits than its factorization.

22285776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 934 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 22285776 is about 4720.7812912695. The cubic root of 22285776 is about 281.4119833313.

The spelling of 22285776 in words is "twenty-two million, two hundred eighty-five thousand, seven hundred seventy-six".