163426226 has 4 divisors (see below), whose sum is σ = 245139342. Its totient is φ = 81713112.

The previous prime is 163426213. The next prime is 163426229. The reversal of 163426226 is 622624361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622624361 = 2089 ⋅298049.

It can be written as a sum of positive squares in only one way, i.e., 147015625 + 16410601 = 12125^2 + 4051^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163426192 and 163426201.

It is not an unprimeable number, because it can be changed into a prime (163426229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40856555 + ... + 40856558.

Almost surely, 2^163426226 is an apocalyptic number.

163426226 is a deficient number, since it is larger than the sum of its proper divisors (81713116).

163426226 is an equidigital number, since it uses as much as digits as its factorization.

163426226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81713115.

The product of its digits is 20736, while the sum is 32.

The square root of 163426226 is about 12783.8267353715. The cubic root of 163426226 is about 546.7312742565.

The spelling of 163426226 in words is "one hundred sixty-three million, four hundred twenty-six thousand, two hundred twenty-six".