22661422 has 24 divisors (see below), whose sum is σ = 40297176. Its totient is φ = 9526608.

The previous prime is 22661413. The next prime is 22661437. The reversal of 22661422 is 22416622.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 3013 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (1679049).

Almost surely, 2^22661422 is an apocalyptic number.

22661422 is a deficient number, since it is larger than the sum of its proper divisors (17635754).

22661422 is a wasteful number, since it uses less digits than its factorization.

22661422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432 (or 4425 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 22661422 is about 4760.4014536591. The cubic root of 22661422 is about 282.9843290652.

The spelling of 22661422 in words is "twenty-two million, six hundred sixty-one thousand, four hundred twenty-two".