61192228 has 12 divisors (see below), whose sum is σ = 109980892. Its totient is φ = 29769120.

The previous prime is 61192189. The next prime is 61192237. The reversal of 61192228 is 82229116.

It can be written as a sum of positive squares in 2 ways, for example, as 46812964 + 14379264 = 6842^2 + 3792^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61192228.

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, 206583 + ... + 206878.

Almost surely, 2^61192228 is an apocalyptic number.

It is an amenable number.

61192228 is a deficient number, since it is larger than the sum of its proper divisors (48788664).

61192228 is a wasteful number, since it uses less digits than its factorization.

61192228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413502 (or 413500 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 61192228 is about 7822.5461328138. The cubic root of 61192228 is about 394.0627847072.

The spelling of 61192228 in words is "sixty-one million, one hundred ninety-two thousand, two hundred twenty-eight".