61222504 has 32 divisors (see below), whose sum is σ = 136897920. Its totient is φ = 25096896.

The previous prime is 61222439. The next prime is 61222507. The reversal of 61222504 is 40522216.

61222504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61222507) 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 7 ways as a sum of consecutive naturals, for example, 22479 + ... + 25054.

It is an arithmetic number, because the mean of its divisors is an integer number (4278060).

Almost surely, 2^61222504 is an apocalyptic number.

It is an amenable number.

61222504 is an abundant number, since it is smaller than the sum of its proper divisors (75675416).

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

61222504 is a wasteful number, since it uses less digits than its factorization.

61222504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47569 (or 47565 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 61222504 is about 7824.4810690550. The cubic root of 61222504 is about 394.1277639709.

The spelling of 61222504 in words is "sixty-one million, two hundred twenty-two thousand, five hundred four".