61228 has 6 divisors (see below), whose sum is σ = 107156. Its totient is φ = 30612.

The previous prime is 61223. The next prime is 61231. The reversal of 61228 is 82216.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7650 + ... + 7657.

2⁶¹²²⁸ is an apocalyptic number.

It is an amenable number.

61228 is a deficient number, since it is larger than the sum of its proper divisors (45928).

61228 is a wasteful number, since it uses less digits than its factorization.

61228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311 (or 15309 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 61228 is about 247.4429227115. The cubic root of 61228 is about 39.4139557354.

It can be divided in two parts, 61 and 228, that added together give a square (289 = 17²).

The spelling of 61228 in words is "sixty-one thousand, two hundred twenty-eight".