220266249 has 16 divisors (see below), whose sum is σ = 335871360. Its totient is φ = 125781120.

The previous prime is 220266247. The next prime is 220266257. The reversal of 220266249 is 942662022.

220266249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220266249 - 2¹ = 220266247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220266247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41359 + ... + 46379.

It is an arithmetic number, because the mean of its divisors is an integer number (20991960).

Almost surely, 2^220266249 is an apocalyptic number.

It is an amenable number.

220266249 is a deficient number, since it is larger than the sum of its proper divisors (115605111).

220266249 is a wasteful number, since it uses less digits than its factorization.

220266249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 220266249 is about 14841.3695122788. The cubic root of 220266249 is about 603.9245050226.

The spelling of 220266249 in words is "two hundred twenty million, two hundred sixty-six thousand, two hundred forty-nine".