22312312302 has 32 divisors (see below), whose sum is σ = 51017513472. Its totient is φ = 6372703584.

The previous prime is 22312312229. The next prime is 22312312327. The reversal of 22312312302 is 20321321322.

It is a happy number.

It is a super-3 number, since 3×22312312302³ (a number of 32 digits) contains 333 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29248 + ... + 213260.

It is an arithmetic number, because the mean of its divisors is an integer number (1594297296).

Almost surely, 2^22312312302 is an apocalyptic number.

22312312302 is an abundant number, since it is smaller than the sum of its proper divisors (28705201170).

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

22312312302 is a wasteful number, since it uses less digits than its factorization.

22312312302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186912.

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

Adding to 22312312302 its reverse (20321321322), we get a palindrome (42633633624).

The spelling of 22312312302 in words is "twenty-two billion, three hundred twelve million, three hundred twelve thousand, three hundred two".