402262066 has 8 divisors (see below), whose sum is σ = 603994140. Its totient is φ = 200930688.

The previous prime is 402262027. The next prime is 402262067. The reversal of 402262066 is 660262204.

It can be written as a sum of positive squares in 2 ways, for example, as 375003225 + 27258841 = 19365^2 + 5221^2 .

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

It is not an unprimeable number, because it can be changed into a prime (402262067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97651 + ... + 101686.

Almost surely, 2^402262066 is an apocalyptic number.

402262066 is a deficient number, since it is larger than the sum of its proper divisors (201732074).

402262066 is a wasteful number, since it uses less digits than its factorization.

402262066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200348.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 402262066 is about 20056.4719230477. The cubic root of 402262066 is about 738.1926101309.

The spelling of 402262066 in words is "four hundred two million, two hundred sixty-two thousand, sixty-six".