538822249 has 4 divisors (see below), whose sum is σ = 615796864. Its totient is φ = 461847636.

The previous prime is 538822237. The next prime is 538822267. The reversal of 538822249 is 942228835.

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 a cyclic number.

It is not a de Polignac number, because 538822249 - 2⁵ = 538822217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538822849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38487297 + ... + 38487310.

It is an arithmetic number, because the mean of its divisors is an integer number (153949216).

Almost surely, 2^538822249 is an apocalyptic number.

It is an amenable number.

538822249 is a deficient number, since it is larger than the sum of its proper divisors (76974615).

538822249 is an equidigital number, since it uses as much as digits as its factorization.

538822249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76974614.

The product of its digits is 276480, while the sum is 43.

The square root of 538822249 is about 23212.5450780392. The cubic root of 538822249 is about 813.7328340421.

The spelling of 538822249 in words is "five hundred thirty-eight million, eight hundred twenty-two thousand, two hundred forty-nine".