402002322 has 32 divisors (see below), whose sum is σ = 819215424. Its totient is φ = 131476800.

The previous prime is 402002311. The next prime is 402002329. The reversal of 402002322 is 223200204.

It is not an unprimeable number, because it can be changed into a prime (402002329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178588 + ... + 180824.

It is an arithmetic number, because the mean of its divisors is an integer number (25600482).

Almost surely, 2^402002322 is an apocalyptic number.

402002322 is an abundant number, since it is smaller than the sum of its proper divisors (417213102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402002322 is a wasteful number, since it uses less digits than its factorization.

402002322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 402002322 is about 20049.9955610968. The cubic root of 402002322 is about 738.0336901946.

Adding to 402002322 its reverse (223200204), we get a palindrome (625202526).

The spelling of 402002322 in words is "four hundred two million, two thousand, three hundred twenty-two".