550220242 has 32 divisors (see below), whose sum is σ = 987940800. Its totient is φ = 226499520.

The previous prime is 550220213. The next prime is 550220291. The reversal of 550220242 is 242022055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992 + ... + 33307.

It is an arithmetic number, because the mean of its divisors is an integer number (30873150).

Almost surely, 2^550220242 is an apocalyptic number.

550220242 is a deficient number, since it is larger than the sum of its proper divisors (437720558).

550220242 is a wasteful number, since it uses less digits than its factorization.

550220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36378.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 550220242 is about 23456.7739043544. The cubic root of 550220242 is about 819.4306190093.

Adding to 550220242 its reverse (242022055), we get a palindrome (792242297).

The spelling of 550220242 in words is "five hundred fifty million, two hundred twenty thousand, two hundred forty-two".