421142322 has 32 divisors (see below), whose sum is σ = 859935744. Its totient is φ = 137466000.

The previous prime is 421142317. The next prime is 421142327. The reversal of 421142322 is 223241124.

It is an interprime number because it is at equal distance from previous prime (421142317) and next prime (421142327).

It is not an unprimeable number, because it can be changed into a prime (421142327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61053 + ... + 67599.

It is an arithmetic number, because the mean of its divisors is an integer number (26872992).

Almost surely, 2^421142322 is an apocalyptic number.

421142322 is an abundant number, since it is smaller than the sum of its proper divisors (438793422).

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

421142322 is a wasteful number, since it uses less digits than its factorization.

421142322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774.

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

The square root of 421142322 is about 20521.7524105521. The cubic root of 421142322 is about 749.5655688525.

Adding to 421142322 its reverse (223241124), we get a palindrome (644383446).

The spelling of 421142322 in words is "four hundred twenty-one million, one hundred forty-two thousand, three hundred twenty-two".