22213243320402 has 32 divisors (see below), whose sum is σ = 45933926091264. Its totient is φ = 7153948771200.

The previous prime is 22213243320383. The next prime is 22213243320473. The reversal of 22213243320402 is 20402334231222.

It is a super-2 number, since 2×22213243320402² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22213243320402.

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, 96664849 + ... + 96894372.

It is an arithmetic number, because the mean of its divisors is an integer number (1435435190352).

Almost surely, 2^{22213243320402} is an apocalyptic number.

22213243320402 is an abundant number, since it is smaller than the sum of its proper divisors (23720682770862).

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

22213243320402 is a wasteful number, since it uses less digits than its factorization.

22213243320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193559874.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 22213243320402 its reverse (20402334231222), we get a palindrome (42615577551624).

The spelling of 22213243320402 in words is "twenty-two trillion, two hundred thirteen billion, two hundred forty-three million, three hundred twenty thousand, four hundred two".