16622946 has 24 divisors (see below), whose sum is σ = 36526464. Its totient is φ = 5462520.

The previous prime is 16622939. The next prime is 16622959. The reversal of 16622946 is 64922661.

It is a self number, because there is not a number n which added to its sum of digits gives 16622946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5226 + ... + 7781.

It is an arithmetic number, because the mean of its divisors is an integer number (1521936).

Almost surely, 2^16622946 is an apocalyptic number.

16622946 is an abundant number, since it is smaller than the sum of its proper divisors (19903518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16622946 is a wasteful number, since it uses less digits than its factorization.

16622946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13086 (or 13083 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 16622946 is about 4077.1247221541. The cubic root of 16622946 is about 255.2129248113.

The spelling of 16622946 in words is "sixteen million, six hundred twenty-two thousand, nine hundred forty-six".