22145010220204 has 24 divisors (see below), whose sum is σ = 42448346166240. Its totient is φ = 10061830200576.

The previous prime is 22145010220141. The next prime is 22145010220241. The reversal of 22145010220204 is 40202201054122.

It is a happy number.

It is a super-2 number, since 2×22145010220204² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5614858632 + ... + 5614862575.

It is an arithmetic number, because the mean of its divisors is an integer number (1768681090260).

Almost surely, 2^{22145010220204} is an apocalyptic number.

It is an amenable number.

22145010220204 is a deficient number, since it is larger than the sum of its proper divisors (20303335946036).

22145010220204 is a wasteful number, since it uses less digits than its factorization.

22145010220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11229721257 (or 11229721255 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 22145010220204 its reverse (40202201054122), we get a palindrome (62347211274326).

The spelling of 22145010220204 in words is "twenty-two trillion, one hundred forty-five billion, ten million, two hundred twenty thousand, two hundred four".