1402443226 has 8 divisors (see below), whose sum is σ = 2122281684. Its totient is φ = 695016000.

The previous prime is 1402443167. The next prime is 1402443283. The reversal of 1402443226 is 6223442041.

It can be written as a sum of positive squares in 2 ways, for example, as 1402427601 + 15625 = 37449^2 + 125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1402443194 and 1402443203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3102525 + ... + 3102976.

Almost surely, 2^1402443226 is an apocalyptic number.

1402443226 is a deficient number, since it is larger than the sum of its proper divisors (719838458).

1402443226 is a wasteful number, since it uses less digits than its factorization.

1402443226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205616.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 1402443226 is about 37449.2086164715. The cubic root of 1402443226 is about 1119.3393281492.

Adding to 1402443226 its reverse (6223442041), we get a palindrome (7625885267).

The spelling of 1402443226 in words is "one billion, four hundred two million, four hundred forty-three thousand, two hundred twenty-six".