402232415 has 8 divisors (see below), whose sum is σ = 519808128. Its totient is φ = 297033120.

The previous prime is 402232403. The next prime is 402232417. The reversal of 402232415 is 514232204.

It is a happy number.

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

It is not a de Polignac number, because 402232415 - 2¹² = 402228319 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 (402232417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3094031 + ... + 3094160.

It is an arithmetic number, because the mean of its divisors is an integer number (64976016).

Almost surely, 2^402232415 is an apocalyptic number.

402232415 is a deficient number, since it is larger than the sum of its proper divisors (117575713).

402232415 is a wasteful number, since it uses less digits than its factorization.

402232415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188209.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 402232415 is about 20055.7327215936. The cubic root of 402232415 is about 738.1744721319.

Adding to 402232415 its reverse (514232204), we get a palindrome (916464619).

The spelling of 402232415 in words is "four hundred two million, two hundred thirty-two thousand, four hundred fifteen".