22216735591438 has 4 divisors (see below), whose sum is σ = 33325103387160. Its totient is φ = 11108367795718.

The previous prime is 22216735591429. The next prime is 22216735591441. The reversal of 22216735591438 is 83419553761222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5554183897858 + ... + 5554183897861.

It is an arithmetic number, because the mean of its divisors is an integer number (8331275846790).

Almost surely, 2^{22216735591438} is an apocalyptic number.

22216735591438 is a deficient number, since it is larger than the sum of its proper divisors (11108367795722).

22216735591438 is a wasteful number, since it uses less digits than its factorization.

22216735591438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108367795721.

The product of its digits is 21772800, while the sum is 58.

The spelling of 22216735591438 in words is "twenty-two trillion, two hundred sixteen billion, seven hundred thirty-five million, five hundred ninety-one thousand, four hundred thirty-eight".