16401922 has 8 divisors (see below), whose sum is σ = 24766272. Its totient is φ = 8146500.

The previous prime is 16401911. The next prime is 16401937. The reversal of 16401922 is 22910461.

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

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, 26854 + ... + 27457.

It is an arithmetic number, because the mean of its divisors is an integer number (3095784).

Almost surely, 2^16401922 is an apocalyptic number.

16401922 is a deficient number, since it is larger than the sum of its proper divisors (8364350).

16401922 is a wasteful number, since it uses less digits than its factorization.

16401922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54464.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16401922 is about 4049.9286413467. The cubic root of 16401922 is about 254.0767432974.

The spelling of 16401922 in words is "sixteen million, four hundred one thousand, nine hundred twenty-two".