2212718840 has 16 divisors (see below), whose sum is σ = 4978617480. Its totient is φ = 885087520.

The previous prime is 2212718839. The next prime is 2212718867. The reversal of 2212718840 is 488172122.

2212718840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2212718840² = 9792249329781891200, 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 2212718840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27658946 + ... + 27659025.

Almost surely, 2^2212718840 is an apocalyptic number.

2212718840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212718840 is an abundant number, since it is smaller than the sum of its proper divisors (2765898640).

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

2212718840 is a wasteful number, since it uses less digits than its factorization.

2212718840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55317982 (or 55317978 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2212718840 is about 47039.5454910015. The cubic root of 2212718840 is about 1303.0929981310.

The spelling of 2212718840 in words is "two billion, two hundred twelve million, seven hundred eighteen thousand, eight hundred forty".