402230365 has 8 divisors (see below), whose sum is σ = 489288888. Its totient is φ = 317376000.

The previous prime is 402230357. The next prime is 402230429. The reversal of 402230365 is 563032204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 171007929 + 231222436 = 13077^2 + 15206^2 .

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

It is not a de Polignac number, because 402230365 - 2³ = 402230357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550636 + ... + 551365.

It is an arithmetic number, because the mean of its divisors is an integer number (61161111).

Almost surely, 2^402230365 is an apocalyptic number.

It is an amenable number.

402230365 is a deficient number, since it is larger than the sum of its proper divisors (87058523).

402230365 is a wasteful number, since it uses less digits than its factorization.

402230365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102079.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 402230365 is about 20055.6816139467. The cubic root of 402230365 is about 738.1732180806.

Adding to 402230365 its reverse (563032204), we get a palindrome (965262569).

The spelling of 402230365 in words is "four hundred two million, two hundred thirty thousand, three hundred sixty-five".