4551022122 has 16 divisors (see below), whose sum is σ = 9128128800. Its totient is φ = 1512659952.

The previous prime is 4551022117. The next prime is 4551022123. The reversal of 4551022122 is 2212201554.

It is a junction number, because it is equal to n+sod(n) for n = 4551022092 and 4551022101.

It is not an unprimeable number, because it can be changed into a prime (4551022123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084588 + ... + 1088775.

It is an arithmetic number, because the mean of its divisors is an integer number (570508050).

Almost surely, 2^4551022122 is an apocalyptic number.

4551022122 is an abundant number, since it is smaller than the sum of its proper divisors (4577106678).

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

4551022122 is a wasteful number, since it uses less digits than its factorization.

4551022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173717.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4551022122 is about 67461.2638630496. The cubic root of 4551022122 is about 1657.1798686053.

Adding to 4551022122 its reverse (2212201554), we get a palindrome (6763223676).

The spelling of 4551022122 in words is "four billion, five hundred fifty-one million, twenty-two thousand, one hundred twenty-two".