613172228 has 12 divisors (see below), whose sum is σ = 1073241372. Its totient is φ = 306531840.

The previous prime is 613172227. The next prime is 613172279. The reversal of 613172228 is 822271316.

It can be written as a sum of positive squares in 2 ways, for example, as 453604804 + 159567424 = 21298^2 + 12632^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 613172194 and 613172203.

It is not an unprimeable number, because it can be changed into a prime (613172221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22508 + ... + 41628.

It is an arithmetic number, because the mean of its divisors is an integer number (89436781).

Almost surely, 2^613172228 is an apocalyptic number.

It is an amenable number.

613172228 is a deficient number, since it is larger than the sum of its proper divisors (460069144).

613172228 is a wasteful number, since it uses less digits than its factorization.

613172228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27142 (or 27140 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 613172228 is about 24762.3146737134. The cubic root of 613172228 is about 849.5602006252.

The spelling of 613172228 in words is "six hundred thirteen million, one hundred seventy-two thousand, two hundred twenty-eight".