421344122 has 8 divisors (see below), whose sum is σ = 632772000. Its totient is φ = 210420124.

The previous prime is 421344113. The next prime is 421344127. The reversal of 421344122 is 221443124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (421344127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123872 + ... + 127227.

It is an arithmetic number, because the mean of its divisors is an integer number (79096500).

Almost surely, 2^421344122 is an apocalyptic number.

421344122 is a deficient number, since it is larger than the sum of its proper divisors (211427878).

421344122 is a wasteful number, since it uses less digits than its factorization.

421344122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251940.

The product of its digits is 1536, while the sum is 23.

The square root of 421344122 is about 20526.6685558081. The cubic root of 421344122 is about 749.6852735778.

Adding to 421344122 its reverse (221443124), we get a palindrome (642787246).

The spelling of 421344122 in words is "four hundred twenty-one million, three hundred forty-four thousand, one hundred twenty-two".