402322201 has 8 divisors (see below), whose sum is σ = 415974600. Its totient is φ = 388816128.

The previous prime is 402322171. The next prime is 402322229. The reversal of 402322201 is 102223204.

It can be written as a sum of positive squares in 4 ways, for example, as 16160400 + 386161801 = 4020^2 + 19651^2 .

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

It is not a de Polignac number, because 402322201 - 2⁷ = 402322073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402322231) 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, 30976 + ... + 42001.

It is an arithmetic number, because the mean of its divisors is an integer number (51996825).

Almost surely, 2^402322201 is an apocalyptic number.

It is an amenable number.

402322201 is a deficient number, since it is larger than the sum of its proper divisors (13652399).

402322201 is a wasteful number, since it uses less digits than its factorization.

402322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73163.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402322201 is about 20057.9710090527. The cubic root of 402322201 is about 738.2293929519.

Adding to 402322201 its reverse (102223204), we get a palindrome (504545405).

It can be divided in two parts, 4023 and 22201, that multiplied together give a cube (89314623 = 447³).

The spelling of 402322201 in words is "four hundred two million, three hundred twenty-two thousand, two hundred one".