2213673840 has 160 divisors (see below), whose sum is σ = 8714204160. Its totient is φ = 505979136.

The previous prime is 2213673817. The next prime is 2213673857. The reversal of 2213673840 is 483763122.

It is a happy number.

2213673840 is a `hidden beast` number, since 2 + 213 + 67 + 384 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2213673795 and 2213673804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58084 + ... + 88323.

It is an arithmetic number, because the mean of its divisors is an integer number (54463776).

Almost surely, 2^2213673840 is an apocalyptic number.

2213673840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213673840 is an abundant number, since it is smaller than the sum of its proper divisors (6500530320).

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

2213673840 is a wasteful number, since it uses less digits than its factorization.

2213673840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146436 (or 146424 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2213673840 is about 47049.6954294074. The cubic root of 2213673840 is about 1303.2804409578.

The spelling of 2213673840 in words is "two billion, two hundred thirteen million, six hundred seventy-three thousand, eight hundred forty".