22239722 has 8 divisors (see below), whose sum is σ = 33600000. Its totient is φ = 11039724.

The previous prime is 22239719. The next prime is 22239731. The reversal of 22239722 is 22793222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39722 + ... + 40277.

It is an arithmetic number, because the mean of its divisors is an integer number (4200000).

Almost surely, 2^22239722 is an apocalyptic number.

22239722 is a deficient number, since it is larger than the sum of its proper divisors (11360278).

22239722 is a wasteful number, since it uses less digits than its factorization.

22239722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80140.

The product of its digits is 6048, while the sum is 29.

The square root of 22239722 is about 4715.9009743632. The cubic root of 22239722 is about 281.2180018247.

The spelling of 22239722 in words is "twenty-two million, two hundred thirty-nine thousand, seven hundred twenty-two".