220532249 has 4 divisors (see below), whose sum is σ = 252036864. Its totient is φ = 189027636.

The previous prime is 220532239. The next prime is 220532281. The reversal of 220532249 is 942235022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220532249 - 2¹² = 220528153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220532209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15752297 + ... + 15752310.

It is an arithmetic number, because the mean of its divisors is an integer number (63009216).

Almost surely, 2^220532249 is an apocalyptic number.

It is an amenable number.

220532249 is a deficient number, since it is larger than the sum of its proper divisors (31504615).

220532249 is an equidigital number, since it uses as much as digits as its factorization.

220532249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31504614.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 220532249 is about 14850.3282455305. The cubic root of 220532249 is about 604.1675128919.

The spelling of 220532249 in words is "two hundred twenty million, five hundred thirty-two thousand, two hundred forty-nine".