22230991734 has 32 divisors (see below), whose sum is σ = 53022988800. Its totient is φ = 6075550272.

The previous prime is 22230991723. The next prime is 22230991771. The reversal of 22230991734 is 43719903222.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11505759 + ... + 11507690.

It is an arithmetic number, because the mean of its divisors is an integer number (1656968400).

Almost surely, 2^22230991734 is an apocalyptic number.

22230991734 is an abundant number, since it is smaller than the sum of its proper divisors (30791997066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22230991734 is a wasteful number, since it uses less digits than its factorization.

22230991734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23013484.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 22230991734 in words is "twenty-two billion, two hundred thirty million, nine hundred ninety-one thousand, seven hundred thirty-four".