22195560437 has 8 divisors (see below), whose sum is σ = 22974781440. Its totient is φ = 21417263280.

The previous prime is 22195560421. The next prime is 22195560461. The reversal of 22195560437 is 73406559122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22195560437 - 2⁴ = 22195560421 is a prime.

It is a super-2 number, since 2×22195560437² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22195562437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181889 + ... + 278342.

It is an arithmetic number, because the mean of its divisors is an integer number (2871847680).

Almost surely, 2^22195560437 is an apocalyptic number.

It is an amenable number.

22195560437 is a deficient number, since it is larger than the sum of its proper divisors (779221003).

22195560437 is a wasteful number, since it uses less digits than its factorization.

22195560437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461923.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 22195560437 in words is "twenty-two billion, one hundred ninety-five million, five hundred sixty thousand, four hundred thirty-seven".