61294228 has 12 divisors (see below), whose sum is σ = 112910560. Its totient is φ = 29034072.

The previous prime is 61294151. The next prime is 61294267. The reversal of 61294228 is 82249216.

61294228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61294228² = 7513964772231968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) 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 = 61294193 and 61294202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403176 + ... + 403327.

Almost surely, 2^61294228 is an apocalyptic number.

It is an amenable number.

61294228 is a deficient number, since it is larger than the sum of its proper divisors (51616332).

61294228 is a wasteful number, since it uses less digits than its factorization.

61294228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806526 (or 806524 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 61294228 is about 7829.0630346166. The cubic root of 61294228 is about 394.2816147392.

The spelling of 61294228 in words is "sixty-one million, two hundred ninety-four thousand, two hundred twenty-eight".