21960622 has 8 divisors (see below), whose sum is σ = 33064200. Its totient is φ = 10939224.

The previous prime is 21960619. The next prime is 21960641. The reversal of 21960622 is 22606912.

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

It is a congruent number.

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, 19872 + ... + 20947.

It is an arithmetic number, because the mean of its divisors is an integer number (4133025).

Almost surely, 2^21960622 is an apocalyptic number.

21960622 is a deficient number, since it is larger than the sum of its proper divisors (11103578).

21960622 is a wasteful number, since it uses less digits than its factorization.

21960622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41090.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 21960622 is about 4686.2161708568. The cubic root of 21960622 is about 280.0366533650.

The spelling of 21960622 in words is "twenty-one million, nine hundred sixty thousand, six hundred twenty-two".