549022386 has 32 divisors (see below), whose sum is σ = 1205928000. Its totient is φ = 165250880.

The previous prime is 549022381. The next prime is 549022393. The reversal of 549022386 is 683220945.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (549022381) 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, 18081 + ... + 37748.

It is an arithmetic number, because the mean of its divisors is an integer number (37685250).

Almost surely, 2^549022386 is an apocalyptic number.

549022386 is an abundant number, since it is smaller than the sum of its proper divisors (656905614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549022386 is a wasteful number, since it uses less digits than its factorization.

549022386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55994.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 549022386 is about 23431.2267284494. The cubic root of 549022386 is about 818.8355403042.

The spelling of 549022386 in words is "five hundred forty-nine million, twenty-two thousand, three hundred eighty-six".