420412022 has 4 divisors (see below), whose sum is σ = 630618036. Its totient is φ = 210206010.

The previous prime is 420412021. The next prime is 420412051. The reversal of 420412022 is 220214024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420412021) 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 as a sum of consecutive naturals, namely, 105103004 + ... + 105103007.

It is an arithmetic number, because the mean of its divisors is an integer number (157654509).

Almost surely, 2^420412022 is an apocalyptic number.

420412022 is a deficient number, since it is larger than the sum of its proper divisors (210206014).

420412022 is a wasteful number, since it uses less digits than its factorization.

420412022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210206013.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 420412022 is about 20503.9513752837. The cubic root of 420412022 is about 749.1320460027.

Adding to 420412022 its reverse (220214024), we get a palindrome (640626046).

The spelling of 420412022 in words is "four hundred twenty million, four hundred twelve thousand, twenty-two".