16422894 has 24 divisors (see below), whose sum is σ = 36546120. Its totient is φ = 5326128.

The previous prime is 16422877. The next prime is 16422899. The reversal of 16422894 is 49822461.

16422894 is a `hidden beast` number, since 1 + 642 + 2 + 8 + 9 + 4 = 666.

It is a super-2 number, since 2×16422894² = 539422894670472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11664 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (1522755).

Almost surely, 2^16422894 is an apocalyptic number.

16422894 is an abundant number, since it is smaller than the sum of its proper divisors (20123226).

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

16422894 is a wasteful number, since it uses less digits than its factorization.

16422894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24704 (or 24701 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 16422894 is about 4052.5169956460. The cubic root of 16422894 is about 254.1849872786.

The spelling of 16422894 in words is "sixteen million, four hundred twenty-two thousand, eight hundred ninety-four".