22235150443221 has 48 divisors (see below), whose sum is σ = 34332030133440. Its totient is φ = 13825748217600.

The previous prime is 22235150443217. The next prime is 22235150443237. The reversal of 22235150443221 is 12234405153222.

22235150443221 is a `hidden beast` number, since 2 + 22 + 35 + 150 + 4 + 432 + 21 = 666.

It is not a de Polignac number, because 22235150443221 - 2² = 22235150443217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235150443201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19530571 + ... + 20637671.

It is an arithmetic number, because the mean of its divisors is an integer number (715250627780).

Almost surely, 2^{22235150443221} is an apocalyptic number.

It is an amenable number.

22235150443221 is a deficient number, since it is larger than the sum of its proper divisors (12096879690219).

22235150443221 is a wasteful number, since it uses less digits than its factorization.

22235150443221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108946 (or 1108943 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 22235150443221 its reverse (12234405153222), we get a palindrome (34469555596443).

The spelling of 22235150443221 in words is "twenty-two trillion, two hundred thirty-five billion, one hundred fifty million, four hundred forty-three thousand, two hundred twenty-one".