22727776 has 48 divisors (see below), whose sum is σ = 48580560. Its totient is φ = 10424320.

The previous prime is 22727767. The next prime is 22727777. The reversal of 22727776 is 67772722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22727777) 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, 21795 + ... + 22813.

It is an arithmetic number, because the mean of its divisors is an integer number (1012095).

Almost surely, 2^22727776 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 22727776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24290280).

22727776 is an abundant number, since it is smaller than the sum of its proper divisors (25852784).

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

22727776 is a wasteful number, since it uses less digits than its factorization.

22727776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1079 counting only the distinct ones).

The product of its digits is 115248, while the sum is 40.

The square root of 22727776 is about 4767.3657296247. The cubic root of 22727776 is about 283.2602582789.

The spelling of 22727776 in words is "twenty-two million, seven hundred twenty-seven thousand, seven hundred seventy-six".