22213121340032 has 32 divisors (see below), whose sum is σ = 50574517338720. Its totient is φ = 9519909145344.

The previous prime is 22213121340017. The next prime is 22213121340071. The reversal of 22213121340032 is 23004312131222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×22213121340032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22213121339983 and 22213121340010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12395714138 + ... + 12395715929.

It is an arithmetic number, because the mean of its divisors is an integer number (1580453666835).

Almost surely, 2^{22213121340032} is an apocalyptic number.

It is an amenable number.

22213121340032 is an abundant number, since it is smaller than the sum of its proper divisors (28361395998688).

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

22213121340032 is an equidigital number, since it uses as much as digits as its factorization.

22213121340032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24791430088 (or 24791430076 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22213121340032 its reverse (23004312131222), we get a palindrome (45217433471254).

The spelling of 22213121340032 in words is "twenty-two trillion, two hundred thirteen billion, one hundred twenty-one million, three hundred forty thousand, thirty-two".