422143226 has 4 divisors (see below), whose sum is σ = 633214842. Its totient is φ = 211071612.

The previous prime is 422143217. The next prime is 422143247. The reversal of 422143226 is 622341224.

It is a happy number.

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., 386083201 + 36060025 = 19649^2 + 6005^2 .

It is a junction number, because it is equal to n+sod(n) for n = 422143195 and 422143204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105535805 + ... + 105535808.

Almost surely, 2^422143226 is an apocalyptic number.

422143226 is a deficient number, since it is larger than the sum of its proper divisors (211071616).

422143226 is a wasteful number, since it uses less digits than its factorization.

422143226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211071615.

The product of its digits is 4608, while the sum is 26.

The square root of 422143226 is about 20546.1243547293. The cubic root of 422143226 is about 750.1589150664.

The spelling of 422143226 in words is "four hundred twenty-two million, one hundred forty-three thousand, two hundred twenty-six".