16457422 has 8 divisors (see below), whose sum is σ = 24880896. Its totient is φ = 8163792.

The previous prime is 16457417. The next prime is 16457429. The reversal of 16457422 is 22475461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16457429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32143 + ... + 32650.

It is an arithmetic number, because the mean of its divisors is an integer number (3110112).

Almost surely, 2^16457422 is an apocalyptic number.

16457422 is a deficient number, since it is larger than the sum of its proper divisors (8423474).

16457422 is a wasteful number, since it uses less digits than its factorization.

16457422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64922.

The product of its digits is 13440, while the sum is 31.

The square root of 16457422 is about 4056.7748273721. The cubic root of 16457422 is about 254.3629980432.

The spelling of 16457422 in words is "sixteen million, four hundred fifty-seven thousand, four hundred twenty-two".