2212320250331 has 4 divisors (see below), whose sum is σ = 2212391227872. Its totient is φ = 2212249272792.

The previous prime is 2212320250319. The next prime is 2212320250351. The reversal of 2212320250331 is 1330520232122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212320250331 is a prime.

It is a super-2 number, since 2×2212320250331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212320250331.

It is not an unprimeable number, because it can be changed into a prime (2212320250351) 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, 35441996 + ... + 35504361.

It is an arithmetic number, because the mean of its divisors is an integer number (553097806968).

Almost surely, 2^{2212320250331} is an apocalyptic number.

2212320250331 is a deficient number, since it is larger than the sum of its proper divisors (70977541).

2212320250331 is an equidigital number, since it uses as much as digits as its factorization.

2212320250331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70977540.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 2212320250331 its reverse (1330520232122), we get a palindrome (3542840482453).

The spelling of 2212320250331 in words is "two trillion, two hundred twelve billion, three hundred twenty million, two hundred fifty thousand, three hundred thirty-one".