22309922 has 4 divisors (see below), whose sum is σ = 33464886. Its totient is φ = 11154960.

The previous prime is 22309909. The next prime is 22309943. The reversal of 22309922 is 22990322.

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., 21911761 + 398161 = 4681^2 + 631^2 .

It is a super-3 number, since 3×22309922³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577479 + ... + 5577482.

Almost surely, 2^22309922 is an apocalyptic number.

22309922 is a deficient number, since it is larger than the sum of its proper divisors (11154964).

22309922 is a wasteful number, since it uses less digits than its factorization.

22309922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154963.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22309922 is about 4723.3380145825. The cubic root of 22309922 is about 281.5135805888.

The spelling of 22309922 in words is "twenty-two million, three hundred nine thousand, nine hundred twenty-two".