42221758265 has 8 divisors (see below), whose sum is σ = 51844391808. Its totient is φ = 32991885360.

The previous prime is 42221758261. The next prime is 42221758273. The reversal of 42221758265 is 56285712224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42221758265 - 2² = 42221758261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42221758261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98189921 + ... + 98190350.

It is an arithmetic number, because the mean of its divisors is an integer number (6480548976).

Almost surely, 2^42221758265 is an apocalyptic number.

It is an amenable number.

42221758265 is a deficient number, since it is larger than the sum of its proper divisors (9622633543).

42221758265 is a wasteful number, since it uses less digits than its factorization.

42221758265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196380319.

The product of its digits is 537600, while the sum is 44.

The spelling of 42221758265 in words is "forty-two billion, two hundred twenty-one million, seven hundred fifty-eight thousand, two hundred sixty-five".