7900220122 has 8 divisors (see below), whose sum is σ = 11877081696. Its totient is φ = 3941192892.

The previous prime is 7900220117. The next prime is 7900220123. The reversal of 7900220122 is 2210220097.

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

It is not an unprimeable number, because it can be changed into a prime (7900220123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457478 + ... + 4459249.

It is an arithmetic number, because the mean of its divisors is an integer number (1484635212).

Almost surely, 2^7900220122 is an apocalyptic number.

7900220122 is a deficient number, since it is larger than the sum of its proper divisors (3976861574).

7900220122 is a wasteful number, since it uses less digits than its factorization.

7900220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8917172.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 7900220122 is about 88883.1824475249. The cubic root of 7900220122 is about 1991.6501990908.

Subtracting from 7900220122 its sum of digits (25), we obtain a palindrome (7900220097).

The spelling of 7900220122 in words is "seven billion, nine hundred million, two hundred twenty thousand, one hundred twenty-two".