549022 has 8 divisors (see below), whose sum is σ = 828072. Its totient is φ = 273000.

The previous prime is 549019. The next prime is 549023. The reversal of 549022 is 220945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 548984 and 549002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549023) 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, 229 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (103509).

2⁵⁴⁹⁰²² is an apocalyptic number.

549022 is a deficient number, since it is larger than the sum of its proper divisors (279050).

549022 is a wasteful number, since it uses less digits than its factorization.

549022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 549022 is about 740.9601878644. The cubic root of 549022 is about 81.8835348405.

Adding to 549022 its reverse (220945), we get a palindrome (769967).

The spelling of 549022 in words is "five hundred forty-nine thousand, twenty-two".