2213257518 has 24 divisors (see below), whose sum is σ = 4849275600. Its totient is φ = 729462624.

The previous prime is 2213257517. The next prime is 2213257537. The reversal of 2213257518 is 8157523122.

2213257518 is a `hidden beast` number, since 2 + 2 + 132 + 5 + 7 + 518 = 666.

2213257518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213257517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689178 + ... + 692381.

It is an arithmetic number, because the mean of its divisors is an integer number (202053150).

Almost surely, 2^2213257518 is an apocalyptic number.

2213257518 is an abundant number, since it is smaller than the sum of its proper divisors (2636018082).

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

2213257518 is a wasteful number, since it uses less digits than its factorization.

2213257518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381656 (or 1381653 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 2213257518 is about 47045.2709419342. The cubic root of 2213257518 is about 1303.1987338987.

The spelling of 2213257518 in words is "two billion, two hundred thirteen million, two hundred fifty-seven thousand, five hundred eighteen".