322042666 has 16 divisors (see below), whose sum is σ = 554715360. Its totient is φ = 138678480.

The previous prime is 322042661. The next prime is 322042667. The reversal of 322042666 is 666240223.

It is a super-2 number, since 2×322042666² = 207422957448775112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (322042661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384801 + ... + 385636.

It is an arithmetic number, because the mean of its divisors is an integer number (34669710).

Almost surely, 2^322042666 is an apocalyptic number.

322042666 is a deficient number, since it is larger than the sum of its proper divisors (232672694).

322042666 is a wasteful number, since it uses less digits than its factorization.

322042666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770469.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 322042666 is about 17945.5472471586. The cubic root of 322042666 is about 685.4426719368.

Adding to 322042666 its reverse (666240223), we get a palindrome (988282889).

The spelling of 322042666 in words is "three hundred twenty-two million, forty-two thousand, six hundred sixty-six".