2218202222 has 4 divisors (see below), whose sum is σ = 3327303336. Its totient is φ = 1109101110.

The previous prime is 2218202219. The next prime is 2218202237. The reversal of 2218202222 is 2222028122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2222028122 = 2 ⋅1111014061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554550554 + ... + 554550557.

It is an arithmetic number, because the mean of its divisors is an integer number (831825834).

Almost surely, 2^2218202222 is an apocalyptic number.

2218202222 is a deficient number, since it is larger than the sum of its proper divisors (1109101114).

2218202222 is a wasteful number, since it uses less digits than its factorization.

2218202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109101113.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2218202222 is about 47097.7942370978. The cubic root of 2218202222 is about 1304.1685169791.

The spelling of 2218202222 in words is "two billion, two hundred eighteen million, two hundred two thousand, two hundred twenty-two".