402150226 has 4 divisors (see below), whose sum is σ = 603225342. Its totient is φ = 201075112.

The previous prime is 402150223. The next prime is 402150227. The reversal of 402150226 is 622051204.

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., 371911225 + 30239001 = 19285^2 + 5499^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 402150197 and 402150206.

It is not an unprimeable number, because it can be changed into a prime (402150223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100537555 + ... + 100537558.

Almost surely, 2^402150226 is an apocalyptic number.

402150226 is a deficient number, since it is larger than the sum of its proper divisors (201075116).

402150226 is a wasteful number, since it uses less digits than its factorization.

402150226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201075115.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 402150226 is about 20053.6836017725. The cubic root of 402150226 is about 738.1241911234.

The spelling of 402150226 in words is "four hundred two million, one hundred fifty thousand, two hundred twenty-six".