420214422 has 16 divisors (see below), whose sum is σ = 856286640. Its totient is φ = 137428512.

The previous prime is 420214409. The next prime is 420214471. The reversal of 420214422 is 224412024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660397 + ... + 661032.

It is an arithmetic number, because the mean of its divisors is an integer number (53517915).

Almost surely, 2^420214422 is an apocalyptic number.

420214422 is an abundant number, since it is smaller than the sum of its proper divisors (436072218).

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

420214422 is a wasteful number, since it uses less digits than its factorization.

420214422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321487.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 420214422 is about 20499.1322255358. The cubic root of 420214422 is about 749.0146598177.

Adding to 420214422 its reverse (224412024), we get a palindrome (644626446).

The spelling of 420214422 in words is "four hundred twenty million, two hundred fourteen thousand, four hundred twenty-two".