231222332002 has 4 divisors (see below), whose sum is σ = 346833498006. Its totient is φ = 115611166000.

The previous prime is 231222331981. The next prime is 231222332009. The reversal of 231222332002 is 200233222132.

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

It can be written as a sum of positive squares in only one way, i.e., 231177294481 + 45037521 = 480809^2 + 6711^2 .

It is a super-2 number, since 2×231222332002² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231222332009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57805582999 + ... + 57805583002.

Almost surely, 2^231222332002 is an apocalyptic number.

231222332002 is a deficient number, since it is larger than the sum of its proper divisors (115611166004).

231222332002 is a wasteful number, since it uses less digits than its factorization.

231222332002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115611166003.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 231222332002 its reverse (200233222132), we get a palindrome (431455554134).

The spelling of 231222332002 in words is "two hundred thirty-one billion, two hundred twenty-two million, three hundred thirty-two thousand, two".