22104570437 has 4 divisors (see below), whose sum is σ = 22113097740. Its totient is φ = 22096043136.

The previous prime is 22104570421. The next prime is 22104570479. The reversal of 22104570437 is 73407540122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12974576836 + 9129993601 = 113906^2 + 95551^2 .

It is a cyclic number.

It is not a de Polignac number, because 22104570437 - 2⁴ = 22104570421 is a prime.

It is a super-2 number, since 2×22104570437² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22104570397 and 22104570406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22104570407) 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, 4259762 + ... + 4264947.

It is an arithmetic number, because the mean of its divisors is an integer number (5528274435).

Almost surely, 2^22104570437 is an apocalyptic number.

It is an amenable number.

22104570437 is a deficient number, since it is larger than the sum of its proper divisors (8527303).

22104570437 is an equidigital number, since it uses as much as digits as its factorization.

22104570437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8527302.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 22104570437 in words is "twenty-two billion, one hundred four million, five hundred seventy thousand, four hundred thirty-seven".