19228968 has 64 divisors (see below), whose sum is σ = 58276800. Its totient is φ = 5826240.

The previous prime is 19228949. The next prime is 19228981. The reversal of 19228968 is 86982291.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1671 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (910575).

Almost surely, 2^19228968 is an apocalyptic number.

19228968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19228968 is an abundant number, since it is smaller than the sum of its proper divisors (39047832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19228968 is a wasteful number, since it uses less digits than its factorization.

19228968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119 (or 8109 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 19228968 is about 4385.0847198201. The cubic root of 19228968 is about 267.9077799581.

The spelling of 19228968 in words is "nineteen million, two hundred twenty-eight thousand, nine hundred sixty-eight".