2978372122 has 16 divisors (see below), whose sum is σ = 4875393600. Its totient is φ = 1353335040.

The previous prime is 2978372101. The next prime is 2978372147. The reversal of 2978372122 is 2212738792.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45754 + ... + 89722.

It is an arithmetic number, because the mean of its divisors is an integer number (304712100).

Almost surely, 2^2978372122 is an apocalyptic number.

2978372122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2978372122 is a deficient number, since it is larger than the sum of its proper divisors (1897021478).

2978372122 is a wasteful number, since it uses less digits than its factorization.

2978372122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47061.

The product of its digits is 169344, while the sum is 43.

The square root of 2978372122 is about 54574.4640101944. The cubic root of 2978372122 is about 1438.7753415559.

The spelling of 2978372122 in words is "two billion, nine hundred seventy-eight million, three hundred seventy-two thousand, one hundred twenty-two".