2472267778 has 16 divisors (see below), whose sum is σ = 3733100280. Its totient is φ = 1227916800.

The previous prime is 2472267731. The next prime is 2472267779. The reversal of 2472267778 is 8777622742.

It can be written as a sum of positive squares in 4 ways, for example, as 1886772969 + 585494809 = 43437^2 + 24197^2 .

It is a super-2 number, since 2×2472267778² = 12224215932274114568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2472267779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366258 + ... + 372946.

Almost surely, 2^2472267778 is an apocalyptic number.

2472267778 is a deficient number, since it is larger than the sum of its proper divisors (1260832502).

2472267778 is a wasteful number, since it uses less digits than its factorization.

2472267778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893.

The product of its digits is 3687936, while the sum is 52.

The square root of 2472267778 is about 49721.9044084194. The cubic root of 2472267778 is about 1352.1716812346.

The spelling of 2472267778 in words is "two billion, four hundred seventy-two million, two hundred sixty-seven thousand, seven hundred seventy-eight".