61225244 has 12 divisors (see below), whose sum is σ = 108960600. Its totient is φ = 30093648.

The previous prime is 61225243. The next prime is 61225247. The reversal of 61225244 is 44252216.

61225244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61225243) by changing a digit.

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, 129479 + ... + 129950.

It is an arithmetic number, because the mean of its divisors is an integer number (9080050).

Almost surely, 2^61225244 is an apocalyptic number.

It is an amenable number.

61225244 is a deficient number, since it is larger than the sum of its proper divisors (47735356).

61225244 is a wasteful number, since it uses less digits than its factorization.

61225244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259492 (or 259490 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 61225244 is about 7824.6561585797. The cubic root of 61225244 is about 394.1336435843.

The spelling of 61225244 in words is "sixty-one million, two hundred twenty-five thousand, two hundred forty-four".