2218551902 has 32 divisors (see below), whose sum is σ = 3902701824. Its totient is φ = 926020800.

The previous prime is 2218551889. The next prime is 2218551913. The reversal of 2218551902 is 2091558122.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366077 + ... + 372087.

It is an arithmetic number, because the mean of its divisors is an integer number (121959432).

Almost surely, 2^2218551902 is an apocalyptic number.

2218551902 is a deficient number, since it is larger than the sum of its proper divisors (1684149922).

2218551902 is a wasteful number, since it uses less digits than its factorization.

2218551902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 2218551902 is about 47101.5063665696. The cubic root of 2218551902 is about 1304.2370435965.

The spelling of 2218551902 in words is "two billion, two hundred eighteen million, five hundred fifty-one thousand, nine hundred two".