22620722 has 8 divisors (see below), whose sum is σ = 34103916. Its totient is φ = 11252752.

The previous prime is 22620713. The next prime is 22620743. The reversal of 22620722 is 22702622.

It can be written as a sum of positive squares in 2 ways, for example, as 22477081 + 143641 = 4741^2 + 379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 28313 + ... + 29100.

Almost surely, 2^22620722 is an apocalyptic number.

22620722 is a deficient number, since it is larger than the sum of its proper divisors (11483194).

22620722 is a wasteful number, since it uses less digits than its factorization.

22620722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57612.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22620722 is about 4756.1246829746. The cubic root of 22620722 is about 282.8148138980.

The spelling of 22620722 in words is "twenty-two million, six hundred twenty thousand, seven hundred twenty-two".