642222242482 has 8 divisors (see below), whose sum is σ = 963336775536. Its totient is φ = 321109983972.

The previous prime is 642222242471. The next prime is 642222242573. The reversal of 642222242482 is 284242222246.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734773 + ... + 1350679.

It is an arithmetic number, because the mean of its divisors is an integer number (120417096942).

Almost surely, 2^642222242482 is an apocalyptic number.

642222242482 is a deficient number, since it is larger than the sum of its proper divisors (321114533054).

642222242482 is a wasteful number, since it uses less digits than its factorization.

642222242482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137272.

The product of its digits is 393216, while the sum is 40.

The spelling of 642222242482 in words is "six hundred forty-two billion, two hundred twenty-two million, two hundred forty-two thousand, four hundred eighty-two".