22195754549 has 4 divisors (see below), whose sum is σ = 22311962880. Its totient is φ = 22079546220.

The previous prime is 22195754527. The next prime is 22195754593. The reversal of 22195754549 is 94545759122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22195754549 - 2⁸ = 22195754293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22195754549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22195754249) 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, 58103879 + ... + 58104260.

It is an arithmetic number, because the mean of its divisors is an integer number (5577990720).

Almost surely, 2^22195754549 is an apocalyptic number.

It is an amenable number.

22195754549 is a deficient number, since it is larger than the sum of its proper divisors (116208331).

22195754549 is a wasteful number, since it uses less digits than its factorization.

22195754549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116208330.

The product of its digits is 4536000, while the sum is 53.

The spelling of 22195754549 in words is "twenty-two billion, one hundred ninety-five million, seven hundred fifty-four thousand, five hundred forty-nine".