2478384722 has 16 divisors (see below), whose sum is σ = 4149855072. Its totient is φ = 1100339520.

The previous prime is 2478384707. The next prime is 2478384737. The reversal of 2478384722 is 2274838742.

It is an interprime number because it is at equal distance from previous prime (2478384707) and next prime (2478384737).

It is a super-2 number, since 2×2478384722² = 12284781660486034568, which contains 22 as substring.

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, 1308983 + ... + 1310874.

It is an arithmetic number, because the mean of its divisors is an integer number (259365942).

Almost surely, 2^2478384722 is an apocalyptic number.

2478384722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2478384722 is a deficient number, since it is larger than the sum of its proper divisors (1671470350).

2478384722 is a wasteful number, since it uses less digits than its factorization.

2478384722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619913.

The product of its digits is 1204224, while the sum is 47.

The square root of 2478384722 is about 49783.3779689567. The cubic root of 2478384722 is about 1353.2859545780.

The spelling of 2478384722 in words is "two billion, four hundred seventy-eight million, three hundred eighty-four thousand, seven hundred twenty-two".