22220420239 has 8 divisors (see below), whose sum is σ = 22325271840. Its totient is φ = 22115808000.

The previous prime is 22220420179. The next prime is 22220420273. The reversal of 22220420239 is 93202402222.

It is a happy number.

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 22220420239 - 2⁷ = 22220420111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220420539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127639 + ... + 246439.

It is an arithmetic number, because the mean of its divisors is an integer number (2790658980).

Almost surely, 2^22220420239 is an apocalyptic number.

22220420239 is a deficient number, since it is larger than the sum of its proper divisors (104851601).

22220420239 is a wasteful number, since it uses less digits than its factorization.

22220420239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119681.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 22220420239 in words is "twenty-two billion, two hundred twenty million, four hundred twenty thousand, two hundred thirty-nine".