61307222242 has 16 divisors (see below), whose sum is σ = 105210282240. Its totient is φ = 26246477088.

The previous prime is 61307222237. The next prime is 61307222341. The reversal of 61307222242 is 24222270316.

61307222242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323642 + ... + 2349877.

It is an arithmetic number, because the mean of its divisors is an integer number (6575642640).

Almost surely, 2^61307222242 is an apocalyptic number.

61307222242 is a deficient number, since it is larger than the sum of its proper divisors (43903059998).

61307222242 is a wasteful number, since it uses less digits than its factorization.

61307222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674465.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 61307222242 its reverse (24222270316), we get a palindrome (85529492558).

The spelling of 61307222242 in words is "sixty-one billion, three hundred seven million, two hundred twenty-two thousand, two hundred forty-two".