421223214 has 32 divisors (see below), whose sum is σ = 851316480. Its totient is φ = 138936512.

The previous prime is 421223203. The next prime is 421223249. The reversal of 421223214 is 412322124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343807 + ... + 345029.

It is an arithmetic number, because the mean of its divisors is an integer number (26603640).

Almost surely, 2^421223214 is an apocalyptic number.

421223214 is an abundant number, since it is smaller than the sum of its proper divisors (430093266).

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

421223214 is a wasteful number, since it uses less digits than its factorization.

421223214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784.

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

The square root of 421223214 is about 20523.7232002383. The cubic root of 421223214 is about 749.6135573614.

Adding to 421223214 its reverse (412322124), we get a palindrome (833545338).

The spelling of 421223214 in words is "four hundred twenty-one million, two hundred twenty-three thousand, two hundred fourteen".