22225212645554 has 16 divisors (see below), whose sum is σ = 33545334368448. Its totient is φ = 11043465823632.

The previous prime is 22225212645533. The next prime is 22225212645583. The reversal of 22225212645554 is 45554621252222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22225212645499 and 22225212645508.

It is an unprimeable number.

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, 6402512 + ... + 9243515.

It is an arithmetic number, because the mean of its divisors is an integer number (2096583398028).

Almost surely, 2^{22225212645554} is an apocalyptic number.

22225212645554 is a deficient number, since it is larger than the sum of its proper divisors (11320121722894).

22225212645554 is a wasteful number, since it uses less digits than its factorization.

22225212645554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15650449.

The product of its digits is 3840000, while the sum is 47.

Adding to 22225212645554 its reverse (45554621252222), we get a palindrome (67779833897776).

The spelling of 22225212645554 in words is "twenty-two trillion, two hundred twenty-five billion, two hundred twelve million, six hundred forty-five thousand, five hundred fifty-four".