16420022 has 16 divisors (see below), whose sum is σ = 25788672. Its totient is φ = 7826280.

The previous prime is 16420007. The next prime is 16420031. The reversal of 16420022 is 22002461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22223 + ... + 22949.

It is an arithmetic number, because the mean of its divisors is an integer number (1611792).

Almost surely, 2^16420022 is an apocalyptic number.

16420022 is a deficient number, since it is larger than the sum of its proper divisors (9368650).

16420022 is a wasteful number, since it uses less digits than its factorization.

16420022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 16420022 is about 4052.1626324717. The cubic root of 16420022 is about 254.1701693088.

Adding to 16420022 its reverse (22002461), we get a palindrome (38422483).

The spelling of 16420022 in words is "sixteen million, four hundred twenty thousand, twenty-two".