615112228 has 6 divisors (see below), whose sum is σ = 1076446406. Its totient is φ = 307556112.

The previous prime is 615112177. The next prime is 615112237. The reversal of 615112228 is 822211516.

It can be written as a sum of positive squares in only one way, i.e., 350138944 + 264973284 = 18712^2 + 16278^2 .

It is a junction number, because it is equal to n+sod(n) for n = 615112196 and 615112205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76889025 + ... + 76889032.

Almost surely, 2^615112228 is an apocalyptic number.

It is an amenable number.

615112228 is a deficient number, since it is larger than the sum of its proper divisors (461334178).

615112228 is a wasteful number, since it uses less digits than its factorization.

615112228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153778061 (or 153778059 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 615112228 is about 24801.4561669270. The cubic root of 615112228 is about 850.4552246692.

The spelling of 615112228 in words is "six hundred fifteen million, one hundred twelve thousand, two hundred twenty-eight".