222343021331 has 4 divisors (see below), whose sum is σ = 222353639664. Its totient is φ = 222332403000.

The previous prime is 222343021297. The next prime is 222343021357. The reversal of 222343021331 is 133120343222.

It is a happy number.

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 222343021331 - 2¹⁸ = 222342759187 is a prime.

It is a super-2 number, since 2×222343021331² (a number of 23 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 222343021331.

It is not an unprimeable number, because it can be changed into a prime (222343021231) 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, 5277695 + ... + 5319656.

It is an arithmetic number, because the mean of its divisors is an integer number (55588409916).

Almost surely, 2^222343021331 is an apocalyptic number.

222343021331 is a deficient number, since it is larger than the sum of its proper divisors (10618333).

222343021331 is a wasteful number, since it uses less digits than its factorization.

222343021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10618332.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 222343021331 its reverse (133120343222), we get a palindrome (355463364553).

The spelling of 222343021331 in words is "two hundred twenty-two billion, three hundred forty-three million, twenty-one thousand, three hundred thirty-one".