16228774 has 8 divisors (see below), whose sum is σ = 25624440. Its totient is φ = 7687296.

The previous prime is 16228753. The next prime is 16228787. The reversal of 16228774 is 47782261.

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

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, 213499 + ... + 213574.

It is an arithmetic number, because the mean of its divisors is an integer number (3203055).

Almost surely, 2^16228774 is an apocalyptic number.

16228774 is a deficient number, since it is larger than the sum of its proper divisors (9395666).

16228774 is a wasteful number, since it uses less digits than its factorization.

16228774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427094.

The product of its digits is 37632, while the sum is 37.

The square root of 16228774 is about 4028.4952525726. The cubic root of 16228774 is about 253.1795192021.

The spelling of 16228774 in words is "sixteen million, two hundred twenty-eight thousand, seven hundred seventy-four".