266254222 has 16 divisors (see below), whose sum is σ = 433203120. Its totient is φ = 122000832.

The previous prime is 266254213. The next prime is 266254229. The reversal of 266254222 is 222452662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266254229) 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, 33223 + ... + 40450.

It is an arithmetic number, because the mean of its divisors is an integer number (27075195).

Almost surely, 2^266254222 is an apocalyptic number.

266254222 is a deficient number, since it is larger than the sum of its proper divisors (166948898).

266254222 is a wasteful number, since it uses less digits than its factorization.

266254222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73827.

The product of its digits is 23040, while the sum is 31.

The square root of 266254222 is about 16317.2982445011. The cubic root of 266254222 is about 643.3275760504.

The spelling of 266254222 in words is "two hundred sixty-six million, two hundred fifty-four thousand, two hundred twenty-two".