2213278122 has 32 divisors (see below), whose sum is σ = 4850657280. Its totient is φ = 667678320.

The previous prime is 2213278117. The next prime is 2213278147. The reversal of 2213278122 is 2218723122.

It is a self number, because there is not a number n which added to its sum of digits gives 2213278122.

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, 60472 + ... + 89907.

It is an arithmetic number, because the mean of its divisors is an integer number (151583040).

Almost surely, 2^2213278122 is an apocalyptic number.

2213278122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2213278122 is an abundant number, since it is smaller than the sum of its proper divisors (2637379158).

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

2213278122 is a wasteful number, since it uses less digits than its factorization.

2213278122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150618.

The product of its digits is 5376, while the sum is 30.

The square root of 2213278122 is about 47045.4899219893. The cubic root of 2213278122 is about 1303.2027778661.

The spelling of 2213278122 in words is "two billion, two hundred thirteen million, two hundred seventy-eight thousand, one hundred twenty-two".