266642022 has 16 divisors (see below), whose sum is σ = 533650752. Its totient is φ = 88819560.

The previous prime is 266642021. The next prime is 266642071. The reversal of 266642022 is 220246662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266642021) 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, 5328 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (33353172).

Almost surely, 2^266642022 is an apocalyptic number.

266642022 is an abundant number, since it is smaller than the sum of its proper divisors (267008730).

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

266642022 is a wasteful number, since it uses less digits than its factorization.

266642022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30563.

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

The square root of 266642022 is about 16329.1770153918. The cubic root of 266642022 is about 643.6397606562.

Adding to 266642022 its reverse (220246662), we get a palindrome (486888684).

The spelling of 266642022 in words is "two hundred sixty-six million, six hundred forty-two thousand, twenty-two".