202422666 has 16 divisors (see below), whose sum is σ = 405736704. Its totient is φ = 67325664.

The previous prime is 202422659. The next prime is 202422667. The reversal of 202422666 is 666224202.

It is not an unprimeable number, because it can be changed into a prime (202422667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34170 + ... + 39653.

It is an arithmetic number, because the mean of its divisors is an integer number (25358544).

Almost surely, 2^202422666 is an apocalyptic number.

202422666 is an abundant number, since it is smaller than the sum of its proper divisors (203314038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202422666 is a wasteful number, since it uses less digits than its factorization.

202422666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74285.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 202422666 is about 14227.5319714981. The cubic root of 202422666 is about 587.1553829846.

Adding to 202422666 its reverse (666224202), we get a palindrome (868646868).

The spelling of 202422666 in words is "two hundred two million, four hundred twenty-two thousand, six hundred sixty-six".