421122214 has 4 divisors (see below), whose sum is σ = 631683324. Its totient is φ = 210561106.

The previous prime is 421122187. The next prime is 421122287. The reversal of 421122214 is 412221124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421122191 and 421122200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105280552 + ... + 105280555.

It is an arithmetic number, because the mean of its divisors is an integer number (157920831).

Almost surely, 2^421122214 is an apocalyptic number.

421122214 is a deficient number, since it is larger than the sum of its proper divisors (210561110).

421122214 is a wasteful number, since it uses less digits than its factorization.

421122214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210561109.

The product of its digits is 256, while the sum is 19.

The square root of 421122214 is about 20521.2624855295. The cubic root of 421122214 is about 749.5536389944.

Adding to 421122214 its reverse (412221124), we get a palindrome (833343338).

The spelling of 421122214 in words is "four hundred twenty-one million, one hundred twenty-two thousand, two hundred fourteen".