402233345 has 8 divisors (see below), whose sum is σ = 511073064. Its totient is φ = 302857984.

The previous prime is 402233341. The next prime is 402233357. The reversal of 402233345 is 543332204.

It can be written as a sum of positive squares in 4 ways, for example, as 23658496 + 378574849 = 4864^2 + 19457^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 402233345 - 2² = 402233341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402233341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365994 + ... + 2366163.

It is an arithmetic number, because the mean of its divisors is an integer number (63884133).

Almost surely, 2^402233345 is an apocalyptic number.

It is an amenable number.

402233345 is a deficient number, since it is larger than the sum of its proper divisors (108839719).

402233345 is a wasteful number, since it uses less digits than its factorization.

402233345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732179.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 402233345 is about 20055.7559069709. The cubic root of 402233345 is about 738.1750410415.

Adding to 402233345 its reverse (543332204), we get a palindrome (945565549).

The spelling of 402233345 in words is "four hundred two million, two hundred thirty-three thousand, three hundred forty-five".