402243341 has 8 divisors (see below), whose sum is σ = 433941624. Its totient is φ = 371438080.

The previous prime is 402243323. The next prime is 402243379. The reversal of 402243341 is 143342204.

It can be written as a sum of positive squares in 4 ways, for example, as 119028100 + 283215241 = 10910^2 + 16829^2 .

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 402243341 - 2¹⁰ = 402242317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402243041) 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, 222320 + ... + 224121.

It is an arithmetic number, because the mean of its divisors is an integer number (54242703).

Almost surely, 2^402243341 is an apocalyptic number.

It is an amenable number.

402243341 is a deficient number, since it is larger than the sum of its proper divisors (31698283).

402243341 is a wasteful number, since it uses less digits than its factorization.

402243341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446511.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 402243341 is about 20056.0051106894. The cubic root of 402243341 is about 738.1811558475.

Adding to 402243341 its reverse (143342204), we get a palindrome (545585545).

The spelling of 402243341 in words is "four hundred two million, two hundred forty-three thousand, three hundred forty-one".