22312312330 has 32 divisors (see below), whose sum is σ = 50072307840. Its totient is φ = 6954486720.

The previous prime is 22312312327. The next prime is 22312312357. The reversal of 22312312330 is 3321321322.

It is a super-3 number, since 3×22312312330³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14487745 + ... + 14489284.

It is an arithmetic number, because the mean of its divisors is an integer number (1564759620).

Almost surely, 2^22312312330 is an apocalyptic number.

22312312330 is an abundant number, since it is smaller than the sum of its proper divisors (27759995510).

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

22312312330 is a wasteful number, since it uses less digits than its factorization.

22312312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28977054.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22312312330 its reverse (3321321322), we get a palindrome (25633633652).

The spelling of 22312312330 in words is "twenty-two billion, three hundred twelve million, three hundred twelve thousand, three hundred thirty".