420022422522 has 12 divisors (see below), whose sum is σ = 910048582170. Its totient is φ = 140007474168.

The previous prime is 420022422503. The next prime is 420022422623. The reversal of 420022422522 is 225224220024.

It can be written as a sum of positive squares in only one way, i.e., 237694276521 + 182328146001 = 487539^2 + 426999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11667289497 + ... + 11667289532.

Almost surely, 2^420022422522 is an apocalyptic number.

420022422522 is an abundant number, since it is smaller than the sum of its proper divisors (490026159648).

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

420022422522 is a wasteful number, since it uses less digits than its factorization.

420022422522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334579037 (or 23334579034 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 420022422522 its reverse (225224220024), we get a palindrome (645246642546).

The spelling of 420022422522 in words is "four hundred twenty billion, twenty-two million, four hundred twenty-two thousand, five hundred twenty-two".