22004181829 has 32 divisors (see below), whose sum is σ = 27372301056. Its totient is φ = 17255255040.

The previous prime is 22004181817. The next prime is 22004181833. The reversal of 22004181829 is 92818140022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22004181829 - 2¹³ = 22004173637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004181809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7135722 + ... + 7138804.

It is an arithmetic number, because the mean of its divisors is an integer number (855384408).

Almost surely, 2^22004181829 is an apocalyptic number.

It is an amenable number.

22004181829 is a deficient number, since it is larger than the sum of its proper divisors (5368119227).

22004181829 is a wasteful number, since it uses less digits than its factorization.

22004181829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 22004181829 in words is "twenty-two billion, four million, one hundred eighty-one thousand, eight hundred twenty-nine".