402622166 has 8 divisors (see below), whose sum is σ = 604874424. Its totient is φ = 200997360.

The previous prime is 402622151. The next prime is 402622177. The reversal of 402622166 is 661226204.

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

It is a congruent number.

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, 155255 + ... + 157826.

It is an arithmetic number, because the mean of its divisors is an integer number (75609303).

Almost surely, 2^402622166 is an apocalyptic number.

402622166 is a deficient number, since it is larger than the sum of its proper divisors (202252258).

402622166 is a wasteful number, since it uses less digits than its factorization.

402622166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313726.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 402622166 is about 20065.4470670354. The cubic root of 402622166 is about 738.4128180503.

The spelling of 402622166 in words is "four hundred two million, six hundred twenty-two thousand, one hundred sixty-six".