22429628091 has 24 divisors (see below), whose sum is σ = 35023244256. Its totient is φ = 13750346880.

The previous prime is 22429628087. The next prime is 22429628107. The reversal of 22429628091 is 19082692422.

22429628091 is a `hidden beast` number, since 2 + 2 + 429 + 62 + 80 + 91 = 666.

It is not a de Polignac number, because 22429628091 - 2² = 22429628087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22429628591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333690 + ... + 395231.

It is an arithmetic number, because the mean of its divisors is an integer number (1459301844).

Almost surely, 2^22429628091 is an apocalyptic number.

22429628091 is a deficient number, since it is larger than the sum of its proper divisors (12593616165).

22429628091 is a wasteful number, since it uses less digits than its factorization.

22429628091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729203 (or 729200 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 22429628091 in words is "twenty-two billion, four hundred twenty-nine million, six hundred twenty-eight thousand, ninety-one".