22331722 has 16 divisors (see below), whose sum is σ = 38809152. Its totient is φ = 9439200.

The previous prime is 22331719. The next prime is 22331737. The reversal of 22331722 is 22713322.

It is a junction number, because it is equal to n+sod(n) for n = 22331693 and 22331702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9904 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (2425572).

Almost surely, 2^22331722 is an apocalyptic number.

22331722 is a deficient number, since it is larger than the sum of its proper divisors (16477430).

22331722 is a wasteful number, since it uses less digits than its factorization.

22331722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21933.

The product of its digits is 1008, while the sum is 22.

The square root of 22331722 is about 4725.6451411421. The cubic root of 22331722 is about 281.6052438143.

The spelling of 22331722 in words is "twenty-two million, three hundred thirty-one thousand, seven hundred twenty-two".