420022122231 has 8 divisors (see below), whose sum is σ = 562475040880. Its totient is φ = 278791975872.

The previous prime is 420022122217. The next prime is 420022122241. The reversal of 420022122231 is 132221220024.

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

It is not a de Polignac number, because 420022122231 - 2⁵ = 420022122199 is a prime.

It is a super-2 number, since 2×420022122231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420022122198 and 420022122207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420022122211) 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, 305692270 + ... + 305693643.

It is an arithmetic number, because the mean of its divisors is an integer number (70309380110).

Almost surely, 2^420022122231 is an apocalyptic number.

420022122231 is a deficient number, since it is larger than the sum of its proper divisors (142452918649).

420022122231 is a wasteful number, since it uses less digits than its factorization.

420022122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611386145.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 420022122231 its reverse (132221220024), we get a palindrome (552243342255).

The spelling of 420022122231 in words is "four hundred twenty billion, twenty-two million, one hundred twenty-two thousand, two hundred thirty-one".