402233351 has 16 divisors (see below), whose sum is σ = 438224640. Its totient is φ = 369177120.

The previous prime is 402233341. The next prime is 402233357. The reversal of 402233351 is 153332204.

It is a de Polignac number, because none of the positive numbers 2^k-402233351 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402233357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489521 + ... + 490341.

It is an arithmetic number, because the mean of its divisors is an integer number (27389040).

Almost surely, 2^402233351 is an apocalyptic number.

402233351 is a deficient number, since it is larger than the sum of its proper divisors (35991289).

402233351 is an equidigital number, since it uses as much as digits as its factorization.

402233351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 402233351 is about 20055.7560565539. The cubic root of 402233351 is about 738.1750447119.

Adding to 402233351 its reverse (153332204), we get a palindrome (555565555).

It can be divided in two parts, 4022 and 33351, that added together give a palindrome (37373).

The spelling of 402233351 in words is "four hundred two million, two hundred thirty-three thousand, three hundred fifty-one".