22285882 has 4 divisors (see below), whose sum is σ = 33428826. Its totient is φ = 11142940.

The previous prime is 22285871. The next prime is 22285883. The reversal of 22285882 is 28858222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15374241 + 6911641 = 3921^2 + 2629^2 .

It is not an unprimeable number, because it can be changed into a prime (22285883) 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 as a sum of consecutive naturals, namely, 5571469 + ... + 5571472.

Almost surely, 2^22285882 is an apocalyptic number.

22285882 is a deficient number, since it is larger than the sum of its proper divisors (11142944).

22285882 is a wasteful number, since it uses less digits than its factorization.

22285882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142943.

The product of its digits is 40960, while the sum is 37.

The square root of 22285882 is about 4720.7925182113. The cubic root of 22285882 is about 281.4124294996.

The spelling of 22285882 in words is "twenty-two million, two hundred eighty-five thousand, eight hundred eighty-two".