16622446 has 8 divisors (see below), whose sum is σ = 24951024. Its totient is φ = 8305440.

The previous prime is 16622407. The next prime is 16622513. The reversal of 16622446 is 64422661.

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

It is a super-2 number, since 2×16622446² = 552611422045832, which contains 22 as substring.

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, 3766 + ... + 6886.

It is an arithmetic number, because the mean of its divisors is an integer number (3118878).

Almost surely, 2^16622446 is an apocalyptic number.

16622446 is a deficient number, since it is larger than the sum of its proper divisors (8328578).

16622446 is a wasteful number, since it uses less digits than its factorization.

16622446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786.

The product of its digits is 13824, while the sum is 31.

The square root of 16622446 is about 4077.0634039710. The cubic root of 16622446 is about 255.2103659439.

The spelling of 16622446 in words is "sixteen million, six hundred twenty-two thousand, four hundred forty-six".