61230228 has 24 divisors (see below), whose sum is σ = 145004832. Its totient is φ = 20105184.

The previous prime is 61230203. The next prime is 61230233. The reversal of 61230228 is 82203216.

It is a junction number, because it is equal to n+sod(n) for n = 61230198 and 61230207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37275 + ... + 38882.

It is an arithmetic number, because the mean of its divisors is an integer number (6041868).

Almost surely, 2^61230228 is an apocalyptic number.

It is an amenable number.

61230228 is an abundant number, since it is smaller than the sum of its proper divisors (83774604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61230228 is a wasteful number, since it uses less digits than its factorization.

61230228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76231 (or 76229 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 61230228 is about 7824.9746325467. The cubic root of 61230228 is about 394.1443380226.

The spelling of 61230228 in words is "sixty-one million, two hundred thirty thousand, two hundred twenty-eight".