402302266 has 8 divisors (see below), whose sum is σ = 603550944. Its totient is φ = 201118620.

The previous prime is 402302231. The next prime is 402302293. The reversal of 402302266 is 662203204.

It is a happy number.

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

It is a super-2 number, since 2×402302266² = 323694226457469512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402302266.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521 + ... + 28723.

It is an arithmetic number, because the mean of its divisors is an integer number (75443868).

Almost surely, 2^402302266 is an apocalyptic number.

402302266 is a deficient number, since it is larger than the sum of its proper divisors (201248678).

402302266 is a wasteful number, since it uses less digits than its factorization.

402302266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32516.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 402302266 is about 20057.4740682869. The cubic root of 402302266 is about 738.2171997015.

The spelling of 402302266 in words is "four hundred two million, three hundred two thousand, two hundred sixty-six".