22057782 has 16 divisors (see below), whose sum is σ = 46033920. Its totient is φ = 7032872.

The previous prime is 22057769. The next prime is 22057793. The reversal of 22057782 is 28775022.

It is a congruent number.

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, 79782 + ... + 80057.

It is an arithmetic number, because the mean of its divisors is an integer number (2877120).

Almost surely, 2^22057782 is an apocalyptic number.

22057782 is an abundant number, since it is smaller than the sum of its proper divisors (23976138).

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

22057782 is a wasteful number, since it uses less digits than its factorization.

22057782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159867.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 22057782 is about 4696.5713025568. The cubic root of 22057782 is about 280.4490329073.

The spelling of 22057782 in words is "twenty-two million, fifty-seven thousand, seven hundred eighty-two".