402244403 has 12 divisors (see below), whose sum is σ = 449277048. Its totient is φ = 357154560.

The previous prime is 402244397. The next prime is 402244411. The reversal of 402244403 is 304442204.

It is not a de Polignac number, because 402244403 - 2⁴ = 402244387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402244103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10451 + ... + 30227.

It is an arithmetic number, because the mean of its divisors is an integer number (37439754).

Almost surely, 2^402244403 is an apocalyptic number.

402244403 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

402244403 is a deficient number, since it is larger than the sum of its proper divisors (47032645).

402244403 is a wasteful number, since it uses less digits than its factorization.

402244403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19874 (or 19831 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 402244403 is about 20056.0315865328. The cubic root of 402244403 is about 738.1818054938.

Adding to 402244403 its reverse (304442204), we get a palindrome (706686607).

The spelling of 402244403 in words is "four hundred two million, two hundred forty-four thousand, four hundred three".