2918994228 has 36 divisors (see below), whose sum is σ = 7454645380. Its totient is φ = 962966016.

The previous prime is 2918994223. The next prime is 2918994229. The reversal of 2918994228 is 8224998192.

It can be written as a sum of positive squares in 2 ways, for example, as 1705029264 + 1213964964 = 41292^2 + 34842^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918994223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414463 + ... + 421446.

Almost surely, 2^2918994228 is an apocalyptic number.

It is an amenable number.

2918994228 is an abundant number, since it is smaller than the sum of its proper divisors (4535651152).

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

2918994228 is a wasteful number, since it uses less digits than its factorization.

2918994228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836016 (or 836011 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 2918994228 is about 54027.7172199603. The cubic root of 2918994228 is about 1429.1497754498.

The spelling of 2918994228 in words is "two billion, nine hundred eighteen million, nine hundred ninety-four thousand, two hundred twenty-eight".