22776042 has 16 divisors (see below), whose sum is σ = 45599040. Its totient is φ = 7584192.

The previous prime is 22776031. The next prime is 22776043. The reversal of 22776042 is 24067722.

It is not an unprimeable number, because it can be changed into a prime (22776043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9634 + ... + 11762.

It is an arithmetic number, because the mean of its divisors is an integer number (2849940).

Almost surely, 2^22776042 is an apocalyptic number.

22776042 is an abundant number, since it is smaller than the sum of its proper divisors (22822998).

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

22776042 is a wasteful number, since it uses less digits than its factorization.

22776042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 22776042 is about 4772.4251696596. The cubic root of 22776042 is about 283.4606323781.

The spelling of 22776042 in words is "twenty-two million, seven hundred seventy-six thousand, forty-two".