265227290 has 16 divisors (see below), whose sum is σ = 480846240. Its totient is φ = 105327120.

The previous prime is 265227257. The next prime is 265227293. The reversal of 265227290 is 92722562.

It is a self number, because there is not a number n which added to its sum of digits gives 265227290.

It is not an unprimeable number, because it can be changed into a prime (265227293) 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, 94016 + ... + 96795.

It is an arithmetic number, because the mean of its divisors is an integer number (30052890).

Almost surely, 2^265227290 is an apocalyptic number.

265227290 is a deficient number, since it is larger than the sum of its proper divisors (215618950).

265227290 is a wasteful number, since it uses less digits than its factorization.

265227290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190957.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 265227290 is about 16285.8002566653. The cubic root of 265227290 is about 642.4994140708.

The spelling of 265227290 in words is "two hundred sixty-five million, two hundred twenty-seven thousand, two hundred ninety".