7122898916 has 144 divisors (see below), whose sum is σ = 15530739840. Its totient is φ = 2844979200.

The previous prime is 7122898879. The next prime is 7122898919. The reversal of 7122898916 is 6198982217.

It is not an unprimeable number, because it can be changed into a prime (7122898919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36906116 + ... + 36906308.

It is an arithmetic number, because the mean of its divisors is an integer number (107852360).

Almost surely, 2^7122898916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7122898916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7765369920).

7122898916 is an abundant number, since it is smaller than the sum of its proper divisors (8407840924).

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

7122898916 is a wasteful number, since it uses less digits than its factorization.

7122898916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 425 counting only the distinct ones).

The product of its digits is 870912, while the sum is 53.

The square root of 7122898916 is about 84397.2684155121. The cubic root of 7122898916 is about 1924.0614002792.

The spelling of 7122898916 in words is "seven billion, one hundred twenty-two million, eight hundred ninety-eight thousand, nine hundred sixteen".