22120642430 has 8 divisors (see below), whose sum is σ = 39817156392. Its totient is φ = 8848256968.

The previous prime is 22120642387. The next prime is 22120642459. The reversal of 22120642430 is 3424602122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22120642430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106032112 + ... + 1106032131.

It is an arithmetic number, because the mean of its divisors is an integer number (4977144549).

Almost surely, 2^22120642430 is an apocalyptic number.

22120642430 is a deficient number, since it is larger than the sum of its proper divisors (17696513962).

22120642430 is a wasteful number, since it uses less digits than its factorization.

22120642430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212064250.

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 22120642430 in words is "twenty-two billion, one hundred twenty million, six hundred forty-two thousand, four hundred thirty".