16622542 has 8 divisors (see below), whose sum is σ = 25356600. Its totient is φ = 8170344.

The previous prime is 16622527. The next prime is 16622563. The reversal of 16622542 is 24522661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16622542.

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, 70317 + ... + 70552.

It is an arithmetic number, because the mean of its divisors is an integer number (3169575).

Almost surely, 2^16622542 is an apocalyptic number.

16622542 is a deficient number, since it is larger than the sum of its proper divisors (8734058).

16622542 is a wasteful number, since it uses less digits than its factorization.

16622542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140930.

The product of its digits is 5760, while the sum is 28.

The square root of 16622542 is about 4077.0751771337. The cubic root of 16622542 is about 255.2108572504.

The spelling of 16622542 in words is "sixteen million, six hundred twenty-two thousand, five hundred forty-two".