22002212322 has 24 divisors (see below), whose sum is σ = 47680993776. Its totient is φ = 7332604056.

The previous prime is 22002212317. The next prime is 22002212347. The reversal of 22002212322 is 22321220022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22002212295 and 22002212304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27748 + ... + 211599.

It is an arithmetic number, because the mean of its divisors is an integer number (1986708074).

Almost surely, 2^22002212322 is an apocalyptic number.

22002212322 is an abundant number, since it is smaller than the sum of its proper divisors (25678781454).

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

22002212322 is a wasteful number, since it uses less digits than its factorization.

22002212322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244462 (or 244459 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22002212322 its reverse (22321220022), we get a palindrome (44323432344).

The spelling of 22002212322 in words is "twenty-two billion, two million, two hundred twelve thousand, three hundred twenty-two".