2212323018 has 64 divisors (see below), whose sum is σ = 4709093760. Its totient is φ = 691891200.

The previous prime is 2212323017. The next prime is 2212323019. The reversal of 2212323018 is 8103232122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2212323017) and next prime (2212323019).

It is not an unprimeable number, because it can be changed into a prime (2212323017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808713 + ... + 811443.

It is an arithmetic number, because the mean of its divisors is an integer number (73579590).

Almost surely, 2^2212323018 is an apocalyptic number.

2212323018 is an abundant number, since it is smaller than the sum of its proper divisors (2496770742).

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

2212323018 is a wasteful number, since it uses less digits than its factorization.

2212323018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2212323018 is about 47035.3379705089. The cubic root of 2212323018 is about 1303.0152922749.

The spelling of 2212323018 in words is "two billion, two hundred twelve million, three hundred twenty-three thousand, eighteen".