2218126051 has 4 divisors (see below), whose sum is σ = 2348604072. Its totient is φ = 2087648032.

The previous prime is 2218126039. The next prime is 2218126067. The reversal of 2218126051 is 1506218122.

2218126051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2218126051 - 2¹¹ = 2218124003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2218126021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65238985 + ... + 65239018.

It is an arithmetic number, because the mean of its divisors is an integer number (587151018).

Almost surely, 2^2218126051 is an apocalyptic number.

2218126051 is a deficient number, since it is larger than the sum of its proper divisors (130478021).

2218126051 is a wasteful number, since it uses less digits than its factorization.

2218126051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130478020.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 2218126051 is about 47096.9855829436. The cubic root of 2218126051 is about 1304.1535888304.

The spelling of 2218126051 in words is "two billion, two hundred eighteen million, one hundred twenty-six thousand, fifty-one".