22501205322 has 16 divisors (see below), whose sum is σ = 45045736320. Its totient is φ = 7493180832.

The previous prime is 22501205239. The next prime is 22501205329. The reversal of 22501205322 is 22350210522.

It is a super-2 number, since 2×22501205322² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22501205292 and 22501205301.

It is not an unprimeable number, because it can be changed into a prime (22501205329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798483 + ... + 1810950.

It is an arithmetic number, because the mean of its divisors is an integer number (2815358520).

Almost surely, 2^22501205322 is an apocalyptic number.

22501205322 is an abundant number, since it is smaller than the sum of its proper divisors (22544530998).

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

22501205322 is a wasteful number, since it uses less digits than its factorization.

22501205322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610477.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22501205322 its reverse (22350210522), we get a palindrome (44851415844).

The spelling of 22501205322 in words is "twenty-two billion, five hundred one million, two hundred five thousand, three hundred twenty-two".