22622722 has 4 divisors (see below), whose sum is σ = 33934086. Its totient is φ = 11311360.

The previous prime is 22622657. The next prime is 22622723. The reversal of 22622722 is 22722622.

It is a happy number.

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., 20693401 + 1929321 = 4549^2 + 1389^2 .

It is not an unprimeable number, because it can be changed into a prime (22622723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655679 + ... + 5655682.

Almost surely, 2^22622722 is an apocalyptic number.

22622722 is a deficient number, since it is larger than the sum of its proper divisors (11311364).

22622722 is a wasteful number, since it uses less digits than its factorization.

22622722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311363.

The product of its digits is 2688, while the sum is 25.

The square root of 22622722 is about 4756.3349335386. The cubic root of 22622722 is about 282.8231486299.

The spelling of 22622722 in words is "twenty-two million, six hundred twenty-two thousand, seven hundred twenty-two".