426224122 has 4 divisors (see below), whose sum is σ = 639336186. Its totient is φ = 213112060.

The previous prime is 426224047. The next prime is 426224129. The reversal of 426224122 is 221422624.

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

It can be written as a sum of positive squares in only one way, i.e., 362559681 + 63664441 = 19041^2 + 7979^2 .

It is not an unprimeable number, because it can be changed into a prime (426224129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556029 + ... + 106556032.

Almost surely, 2^426224122 is an apocalyptic number.

426224122 is a deficient number, since it is larger than the sum of its proper divisors (213112064).

426224122 is a wasteful number, since it uses less digits than its factorization.

426224122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213112063.

The product of its digits is 3072, while the sum is 25.

The square root of 426224122 is about 20645.1960998194. The cubic root of 426224122 is about 752.5684515164.

Adding to 426224122 its reverse (221422624), we get a palindrome (647646746).

The spelling of 426224122 in words is "four hundred twenty-six million, two hundred twenty-four thousand, one hundred twenty-two".