611389228 has 6 divisors (see below), whose sum is σ = 1069931156. Its totient is φ = 305694612.

The previous prime is 611389213. The next prime is 611389231. The reversal of 611389228 is 822983116.

It is a super-2 number, since 2×611389228² = 747593576228871968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76423650 + ... + 76423657.

Almost surely, 2^611389228 is an apocalyptic number.

It is an amenable number.

611389228 is a deficient number, since it is larger than the sum of its proper divisors (458541928).

611389228 is a wasteful number, since it uses less digits than its factorization.

611389228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152847311 (or 152847309 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 611389228 is about 24726.2861748383. The cubic root of 611389228 is about 848.7359425720.

The spelling of 611389228 in words is "six hundred eleven million, three hundred eighty-nine thousand, two hundred twenty-eight".