402022325 has 12 divisors (see below), whose sum is σ = 499100868. Its totient is φ = 321235200.

The previous prime is 402022321. The next prime is 402022337. The reversal of 402022325 is 523220204.

It can be written as a sum of positive squares in 6 ways, for example, as 160934596 + 241087729 = 12686^2 + 15527^2 .

It is not a de Polignac number, because 402022325 - 2² = 402022321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402022297 and 402022306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402022321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12899 + ... + 31151.

It is an arithmetic number, because the mean of its divisors is an integer number (41591739).

Almost surely, 2^402022325 is an apocalyptic number.

It is an amenable number.

402022325 is a deficient number, since it is larger than the sum of its proper divisors (97078543).

402022325 is a wasteful number, since it uses less digits than its factorization.

402022325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19144 (or 19139 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 402022325 is about 20050.4943829323. The cubic root of 402022325 is about 738.0459311214.

Adding to 402022325 its reverse (523220204), we get a palindrome (925242529).

The spelling of 402022325 in words is "four hundred two million, twenty-two thousand, three hundred twenty-five".