61222624 has 24 divisors (see below), whose sum is σ = 121239720. Its totient is φ = 30431616.

The previous prime is 61222607. The next prime is 61222631. The reversal of 61222624 is 42622216.

61222624 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 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, 7 + ... + 11065.

It is an arithmetic number, because the mean of its divisors is an integer number (5051655).

Almost surely, 2^61222624 is an apocalyptic number.

It is an amenable number.

61222624 is a deficient number, since it is larger than the sum of its proper divisors (60017096).

61222624 is a wasteful number, since it uses less digits than its factorization.

61222624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11242 (or 11234 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 61222624 is about 7824.4887372914. The cubic root of 61222624 is about 394.1280214759.

The spelling of 61222624 in words is "sixty-one million, two hundred twenty-two thousand, six hundred twenty-four".