22158841819 has 8 divisors (see below), whose sum is σ = 22938452352. Its totient is φ = 21383281920.

The previous prime is 22158841813. The next prime is 22158841849. The reversal of 22158841819 is 91814885122.

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

It is a cyclic number.

It is not a de Polignac number, because 22158841819 - 2⁵ = 22158841787 is a prime.

It is a super-2 number, since 2×22158841819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22158841813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001524 + ... + 1023409.

It is an arithmetic number, because the mean of its divisors is an integer number (2867306544).

Almost surely, 2^22158841819 is an apocalyptic number.

22158841819 is a deficient number, since it is larger than the sum of its proper divisors (779610533).

22158841819 is a wasteful number, since it uses less digits than its factorization.

22158841819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025317.

The product of its digits is 368640, while the sum is 49.

The spelling of 22158841819 in words is "twenty-two billion, one hundred fifty-eight million, eight hundred forty-one thousand, eight hundred nineteen".