4550022 has 12 divisors (see below), whose sum is σ = 9858420. Its totient is φ = 1516668.

The previous prime is 4550011. The next prime is 4550027. The reversal of 4550022 is 2200554.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 252779 = 4550022 / (4 + 5 + 5 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 4549977 and 4550004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126372 + ... + 126407.

It is an arithmetic number, because the mean of its divisors is an integer number (821535).

Almost surely, 2^4550022 is an apocalyptic number.

4550022 is an abundant number, since it is smaller than the sum of its proper divisors (5308398).

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

4550022 is a wasteful number, since it uses less digits than its factorization.

4550022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252787 (or 252784 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4550022 is about 2133.0780576435. The cubic root of 4550022 is about 165.7058467052.

Adding to 4550022 its reverse (2200554), we get a palindrome (6750576).

The spelling of 4550022 in words is "four million, five hundred fifty thousand, twenty-two".