2478739822 has 16 divisors (see below), whose sum is σ = 4007712240. Its totient is φ = 1143006912.

The previous prime is 2478739817. The next prime is 2478739847. The reversal of 2478739822 is 2289378742.

It is a super-2 number, since 2×2478739822² = 12288302210337183368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478739822.

It is a congruent number.

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, 12868 + ... + 71575.

It is an arithmetic number, because the mean of its divisors is an integer number (250482015).

Almost surely, 2^2478739822 is an apocalyptic number.

2478739822 is a deficient number, since it is larger than the sum of its proper divisors (1528972418).

2478739822 is a wasteful number, since it uses less digits than its factorization.

2478739822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85587.

The product of its digits is 2709504, while the sum is 52.

The square root of 2478739822 is about 49786.9442926557. The cubic root of 2478739822 is about 1353.3505838893.

The spelling of 2478739822 in words is "two billion, four hundred seventy-eight million, seven hundred thirty-nine thousand, eight hundred twenty-two".