222142312213 has 4 divisors (see below), whose sum is σ = 222145136928. Its totient is φ = 222139487500.

The previous prime is 222142312207. The next prime is 222142312219. The reversal of 222142312213 is 312213241222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (222142312207) and next prime (222142312219).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222142312213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222142312219) 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, 1290913 + ... + 1452838.

It is an arithmetic number, because the mean of its divisors is an integer number (55536284232).

Almost surely, 2^222142312213 is an apocalyptic number.

It is an amenable number.

222142312213 is a deficient number, since it is larger than the sum of its proper divisors (2824715).

222142312213 is an equidigital number, since it uses as much as digits as its factorization.

222142312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824714.

The product of its digits is 2304, while the sum is 25.

Adding to 222142312213 its reverse (312213241222), we get a palindrome (534355553435).

The spelling of 222142312213 in words is "two hundred twenty-two billion, one hundred forty-two million, three hundred twelve thousand, two hundred thirteen".