222530355331 has 4 divisors (see below), whose sum is σ = 224154664632. Its totient is φ = 220906046032.

The previous prime is 222530355323. The next prime is 222530355379. The reversal of 222530355331 is 133553035222.

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

It is a cyclic number.

It is not a de Polignac number, because 222530355331 - 2³ = 222530355323 is a prime.

It is a super-2 number, since 2×222530355331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222530365331) 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, 812154445 + ... + 812154718.

It is an arithmetic number, because the mean of its divisors is an integer number (56038666158).

Almost surely, 2^222530355331 is an apocalyptic number.

222530355331 is a deficient number, since it is larger than the sum of its proper divisors (1624309301).

222530355331 is a wasteful number, since it uses less digits than its factorization.

222530355331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624309300.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 222530355331 in words is "two hundred twenty-two billion, five hundred thirty million, three hundred fifty-five thousand, three hundred thirty-one".