61517227422 has 16 divisors (see below), whose sum is σ = 140610805632. Its totient is φ = 17576350680.

The previous prime is 61517227411. The next prime is 61517227441. The reversal of 61517227422 is 22472271516.

It is a happy number.

It is a congruent number.

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, 732347904 + ... + 732347987.

It is an arithmetic number, because the mean of its divisors is an integer number (8788175352).

Almost surely, 2^61517227422 is an apocalyptic number.

61517227422 is an abundant number, since it is smaller than the sum of its proper divisors (79093578210).

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

61517227422 is a wasteful number, since it uses less digits than its factorization.

61517227422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464695903.

The product of its digits is 94080, while the sum is 39.

Adding to 61517227422 its reverse (22472271516), we get a palindrome (83989498938).

The spelling of 61517227422 in words is "sixty-one billion, five hundred seventeen million, two hundred twenty-seven thousand, four hundred twenty-two".