22213402443 has 16 divisors (see below), whose sum is σ = 33003596160. Its totient is φ = 14766251688.

The previous prime is 22213402429. The next prime is 22213402451. The reversal of 22213402443 is 34420431222.

22213402443 is a `hidden beast` number, since 2 + 2 + 213 + 4 + 0 + 2 + 443 = 666.

It is not a de Polignac number, because 22213402443 - 2²⁶ = 22146293579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22213402243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1176105 + ... + 1194842.

It is an arithmetic number, because the mean of its divisors is an integer number (2062724760).

Almost surely, 2^22213402443 is an apocalyptic number.

22213402443 is a deficient number, since it is larger than the sum of its proper divisors (10790193717).

22213402443 is a wasteful number, since it uses less digits than its factorization.

22213402443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371303 (or 2371297 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 22213402443 its reverse (34420431222), we get a palindrome (56633833665).

The spelling of 22213402443 in words is "twenty-two billion, two hundred thirteen million, four hundred two thousand, four hundred forty-three".