61939222 has 12 divisors (see below), whose sum is σ = 94329900. Its totient is φ = 30502956.

The previous prime is 61939201. The next prime is 61939223. The reversal of 61939222 is 22293916.

61939222 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 (61939223) 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 5 ways as a sum of consecutive naturals, for example, 5529 + ... + 12427.

It is an arithmetic number, because the mean of its divisors is an integer number (7860825).

Almost surely, 2^61939222 is an apocalyptic number.

61939222 is a deficient number, since it is larger than the sum of its proper divisors (32390678).

61939222 is an equidigital number, since it uses as much as digits as its factorization.

61939222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035 (or 6968 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 61939222 is about 7870.1475208537. The cubic root of 61939222 is about 395.6597892568.

The spelling of 61939222 in words is "sixty-one million, nine hundred thirty-nine thousand, two hundred twenty-two".