22313231222 has 16 divisors (see below), whose sum is σ = 34291292112. Its totient is φ = 10883453280.

The previous prime is 22313231203. The next prime is 22313231249. The reversal of 22313231222 is 22213231322.

It is a super-3 number, since 3×22313231222³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94229 + ... + 231312.

It is an arithmetic number, because the mean of its divisors is an integer number (2143205757).

Almost surely, 2^22313231222 is an apocalyptic number.

22313231222 is a deficient number, since it is larger than the sum of its proper divisors (11978060890).

22313231222 is a wasteful number, since it uses less digits than its factorization.

22313231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326383.

The product of its digits is 1728, while the sum is 23.

Adding to 22313231222 its reverse (22213231322), we get a palindrome (44526462544).

The spelling of 22313231222 in words is "twenty-two billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred twenty-two".