42022204391 has 8 divisors (see below), whose sum is σ = 42241218768. Its totient is φ = 41803600000.

The previous prime is 42022204379. The next prime is 42022204451. The reversal of 42022204391 is 19340222024.

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 42022204391 - 2¹⁰ = 42022203367 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 (42022204321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104111 + ... + 308031.

It is an arithmetic number, because the mean of its divisors is an integer number (5280152346).

Almost surely, 2^42022204391 is an apocalyptic number.

42022204391 is a deficient number, since it is larger than the sum of its proper divisors (219014377).

42022204391 is a wasteful number, since it uses less digits than its factorization.

42022204391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204993.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 42022204391 in words is "forty-two billion, twenty-two million, two hundred four thousand, three hundred ninety-one".