22501211446156 has 12 divisors (see below), whose sum is σ = 39377161015192. Its totient is φ = 11250594013248.

The previous prime is 22501211446139. The next prime is 22501211446157. The reversal of 22501211446156 is 65164411210522.

It is not an unprimeable number, because it can be changed into a prime (22501211446157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2524036 + ... + 7167508.

Almost surely, 2^{22501211446156} is an apocalyptic number.

It is an amenable number.

22501211446156 is a deficient number, since it is larger than the sum of its proper divisors (16875949569036).

22501211446156 is a wasteful number, since it uses less digits than its factorization.

22501211446156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854920 (or 5854918 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 22501211446156 its reverse (65164411210522), we get a palindrome (87665622656678).

The spelling of 22501211446156 in words is "twenty-two trillion, five hundred one billion, two hundred eleven million, four hundred forty-six thousand, one hundred fifty-six".