253109228 has 12 divisors (see below), whose sum is σ = 443081352. Its totient is φ = 126514560.

The previous prime is 253109201. The next prime is 253109231. The reversal of 253109228 is 822901352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 253109194 and 253109203.

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, 7676 + ... + 23772.

It is an arithmetic number, because the mean of its divisors is an integer number (36923446).

Almost surely, 2^253109228 is an apocalyptic number.

It is an amenable number.

253109228 is a deficient number, since it is larger than the sum of its proper divisors (189972124).

253109228 is a wasteful number, since it uses less digits than its factorization.

253109228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20032 (or 20030 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 253109228 is about 15909.4069028358. The cubic root of 253109228 is about 632.5613603133.

The spelling of 253109228 in words is "two hundred fifty-three million, one hundred nine thousand, two hundred twenty-eight".