22008434861 has 8 divisors (see below), whose sum is σ = 25171810944. Its totient is φ = 18849887280.

The previous prime is 22008434827. The next prime is 22008434869. The reversal of 22008434861 is 16843480022.

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

It is not a de Polignac number, because 22008434861 - 2⁶ = 22008434797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22008434869) 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, 1197350 + ... + 1215591.

It is an arithmetic number, because the mean of its divisors is an integer number (3146476368).

Almost surely, 2^22008434861 is an apocalyptic number.

It is an amenable number.

22008434861 is a deficient number, since it is larger than the sum of its proper divisors (3163376083).

22008434861 is a wasteful number, since it uses less digits than its factorization.

22008434861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414251.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 22008434861 in words is "twenty-two billion, eight million, four hundred thirty-four thousand, eight hundred sixty-one".