426207226 has 4 divisors (see below), whose sum is σ = 639310842. Its totient is φ = 213103612.

The previous prime is 426207217. The next prime is 426207239. The reversal of 426207226 is 622702624.

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., 288966001 + 137241225 = 16999^2 + 11715^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551805 + ... + 106551808.

Almost surely, 2^426207226 is an apocalyptic number.

426207226 is a deficient number, since it is larger than the sum of its proper divisors (213103616).

426207226 is a wasteful number, since it uses less digits than its factorization.

426207226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213103615.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 426207226 is about 20644.7868964540. The cubic root of 426207226 is about 752.5585071671.

The spelling of 426207226 in words is "four hundred twenty-six million, two hundred seven thousand, two hundred twenty-six".