22505211332202 has 32 divisors (see below), whose sum is σ = 47384280590400. Its totient is φ = 7106175595008.

The previous prime is 22505211332173. The next prime is 22505211332237. The reversal of 22505211332202 is 20223311250522.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22505211332202.

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, 9073677 + ... + 11284592.

It is an arithmetic number, because the mean of its divisors is an integer number (1480758768450).

Almost surely, 2^{22505211332202} is an apocalyptic number.

22505211332202 is an abundant number, since it is smaller than the sum of its proper divisors (24879069258198).

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

22505211332202 is a wasteful number, since it uses less digits than its factorization.

22505211332202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20367990.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 22505211332202 its reverse (20223311250522), we get a palindrome (42728522582724).

The spelling of 22505211332202 in words is "twenty-two trillion, five hundred five billion, two hundred eleven million, three hundred thirty-two thousand, two hundred two".