22225212645466 has 16 divisors (see below), whose sum is σ = 33475812338304. Its totient is φ = 11066655932064.

The previous prime is 22225212645443. The next prime is 22225212645469. The reversal of 22225212645466 is 66454621252222.

It is not an unprimeable number, because it can be changed into a prime (22225212645469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10911010 + ... + 12786733.

It is an arithmetic number, because the mean of its divisors is an integer number (2092238271144).

Almost surely, 2^{22225212645466} is an apocalyptic number.

22225212645466 is a deficient number, since it is larger than the sum of its proper divisors (11250599692838).

22225212645466 is a wasteful number, since it uses less digits than its factorization.

22225212645466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23699685.

The product of its digits is 5529600, while the sum is 49.

Adding to 22225212645466 its reverse (66454621252222), we get a palindrome (88679833897688).

The spelling of 22225212645466 in words is "twenty-two trillion, two hundred twenty-five billion, two hundred twelve million, six hundred forty-five thousand, four hundred sixty-six".