219252928 has 28 divisors (see below), whose sum is σ = 453999600. Its totient is φ = 104859392.

The previous prime is 219252881. The next prime is 219252941. The reversal of 219252928 is 829252912.

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, 73003 + ... + 75946.

Almost surely, 2^219252928 is an apocalyptic number.

It is an amenable number.

219252928 is an abundant number, since it is smaller than the sum of its proper divisors (234746672).

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

219252928 is a wasteful number, since it uses less digits than its factorization.

219252928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148984 (or 148974 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 219252928 is about 14807.1917661655. The cubic root of 219252928 is about 602.9969756739.

The spelling of 219252928 in words is "two hundred nineteen million, two hundred fifty-two thousand, nine hundred twenty-eight".