402212006 has 8 divisors (see below), whose sum is σ = 689506320. Its totient is φ = 172376568.

The previous prime is 402212003. The next prime is 402212021. The reversal of 402212006 is 600212204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402212003) 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, 14364701 + ... + 14364728.

It is an arithmetic number, because the mean of its divisors is an integer number (86188290).

Almost surely, 2^402212006 is an apocalyptic number.

402212006 is a deficient number, since it is larger than the sum of its proper divisors (287294314).

402212006 is a wasteful number, since it uses less digits than its factorization.

402212006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28729438.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 402212006 is about 20055.2239079996. The cubic root of 402212006 is about 738.1619870966.

The spelling of 402212006 in words is "four hundred two million, two hundred twelve thousand, six".