22707722 has 4 divisors (see below), whose sum is σ = 34061586. Its totient is φ = 11353860.

The previous prime is 22707697. The next prime is 22707781. The reversal of 22707722 is 22770722.

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., 14070001 + 8637721 = 3751^2 + 2939^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5676929 + ... + 5676932.

Almost surely, 2^22707722 is an apocalyptic number.

22707722 is a deficient number, since it is larger than the sum of its proper divisors (11353864).

22707722 is a wasteful number, since it uses less digits than its factorization.

22707722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11353863.

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 22707722 is about 4765.2620074871. The cubic root of 22707722 is about 283.1769215902.

The spelling of 22707722 in words is "twenty-two million, seven hundred seven thousand, seven hundred twenty-two".