7122199448 has 160 divisors (see below), whose sum is σ = 17034876960. Its totient is φ = 2733419520.

The previous prime is 7122199433. The next prime is 7122199463. The reversal of 7122199448 is 8449912217.

It is an interprime number because it is at equal distance from previous prime (7122199433) and next prime (7122199463).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 97564340 + ... + 97564412.

It is an arithmetic number, because the mean of its divisors is an integer number (106467981).

Almost surely, 2^7122199448 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 7122199448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8517438480).

7122199448 is an abundant number, since it is smaller than the sum of its proper divisors (9912677512).

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

7122199448 is an equidigital number, since it uses as much as digits as its factorization.

7122199448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 156 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 7122199448 is about 84393.1244118856. The cubic root of 7122199448 is about 1923.9984173350.

The spelling of 7122199448 in words is "seven billion, one hundred twenty-two million, one hundred ninety-nine thousand, four hundred forty-eight".