233001312222 has 64 divisors (see below), whose sum is σ = 560127135744. Its totient is φ = 63208753920.

The previous prime is 233001312217. The next prime is 233001312281. The reversal of 233001312222 is 222213100332.

It is a happy number.

It is a super-2 number, since 2×233001312222² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1619263 + ... + 1757274.

It is an arithmetic number, because the mean of its divisors is an integer number (8751986496).

Almost surely, 2^233001312222 is an apocalyptic number.

233001312222 is an abundant number, since it is smaller than the sum of its proper divisors (327125823522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233001312222 is a wasteful number, since it uses less digits than its factorization.

233001312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376633.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 233001312222 its reverse (222213100332), we get a palindrome (455214412554).

The spelling of 233001312222 in words is "two hundred thirty-three billion, one million, three hundred twelve thousand, two hundred twenty-two".