22209729041 has 4 divisors (see below), whose sum is σ = 22235767092. Its totient is φ = 22183690992.

The previous prime is 22209729037. The next prime is 22209729043. The reversal of 22209729041 is 14092790222.

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 3164625025 + 19045104016 = 56255^2 + 138004^2 .

It is a cyclic number.

It is not a de Polignac number, because 22209729041 - 2² = 22209729037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22209728986 and 22209729004.

It is not an unprimeable number, because it can be changed into a prime (22209729043) 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, 13017746 + ... + 13019451.

It is an arithmetic number, because the mean of its divisors is an integer number (5558941773).

Almost surely, 2^22209729041 is an apocalyptic number.

It is an amenable number.

22209729041 is a deficient number, since it is larger than the sum of its proper divisors (26038051).

22209729041 is an equidigital number, since it uses as much as digits as its factorization.

22209729041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26038050.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 22209729041 in words is "twenty-two billion, two hundred nine million, seven hundred twenty-nine thousand, forty-one".