22182922 has 4 divisors (see below), whose sum is σ = 33274386. Its totient is φ = 11091460.

The previous prime is 22182907. The next prime is 22182929. The reversal of 22182922 is 22928122.

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., 22099401 + 83521 = 4701^2 + 289^2 .

It is not an unprimeable number, because it can be changed into a prime (22182929) 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, 5545729 + ... + 5545732.

Almost surely, 2^22182922 is an apocalyptic number.

22182922 is a deficient number, since it is larger than the sum of its proper divisors (11091464).

22182922 is a wasteful number, since it uses less digits than its factorization.

22182922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091463.

The product of its digits is 2304, while the sum is 28.

The square root of 22182922 is about 4709.8749452613. The cubic root of 22182922 is about 280.9783885137.

It can be divided in two parts, 22182 and 922, that added together give a square (23104 = 152²).

The spelling of 22182922 in words is "twenty-two million, one hundred eighty-two thousand, nine hundred twenty-two".