61942442222 has 16 divisors (see below), whose sum is σ = 98175749760. Its totient is φ = 29229588792.

The previous prime is 61942442209. The next prime is 61942442239. The reversal of 61942442222 is 22224424916.

It is a super-2 number, since 2×61942442222² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3088988 + ... + 3108975.

It is an arithmetic number, because the mean of its divisors is an integer number (6135984360).

Almost surely, 2^61942442222 is an apocalyptic number.

61942442222 is a deficient number, since it is larger than the sum of its proper divisors (36233307538).

61942442222 is a wasteful number, since it uses less digits than its factorization.

61942442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6198247.

The product of its digits is 110592, while the sum is 38.

The spelling of 61942442222 in words is "sixty-one billion, nine hundred forty-two million, four hundred forty-two thousand, two hundred twenty-two".