16423922 has 4 divisors (see below), whose sum is σ = 24635886. Its totient is φ = 8211960.

The previous prime is 16423919. The next prime is 16423951. The reversal of 16423922 is 22932461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 6869641 = 3091^2 + 2621^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4105979 + ... + 4105982.

Almost surely, 2^16423922 is an apocalyptic number.

16423922 is a deficient number, since it is larger than the sum of its proper divisors (8211964).

16423922 is an equidigital number, since it uses as much as digits as its factorization.

16423922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211963.

The product of its digits is 5184, while the sum is 29.

The square root of 16423922 is about 4052.6438284162. The cubic root of 16423922 is about 254.1902907839.

The spelling of 16423922 in words is "sixteen million, four hundred twenty-three thousand, nine hundred twenty-two".