20622722 has 8 divisors (see below), whose sum is σ = 30966672. Its totient is φ = 10300500.

The previous prime is 20622689. The next prime is 20622737. The reversal of 20622722 is 22722602.

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, 2804 + ... + 7007.

It is an arithmetic number, because the mean of its divisors is an integer number (3870834).

Almost surely, 2^20622722 is an apocalyptic number.

20622722 is a deficient number, since it is larger than the sum of its proper divisors (10343950).

20622722 is a wasteful number, since it uses less digits than its factorization.

20622722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20622722 is about 4541.2247246751. The cubic root of 20622722 is about 274.2302307737.

The spelling of 20622722 in words is "twenty million, six hundred twenty-two thousand, seven hundred twenty-two".