1224523122 has 16 divisors (see below), whose sum is σ = 2472824640. Its totient is φ = 404211312.

The previous prime is 1224523109. The next prime is 1224523123. The reversal of 1224523122 is 2213254221.

It is a junction number, because it is equal to n+sod(n) for n = 1224523092 and 1224523101.

It is not an unprimeable number, because it can be changed into a prime (1224523123) 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, 990097 + ... + 991332.

It is an arithmetic number, because the mean of its divisors is an integer number (154551540).

Almost surely, 2^1224523122 is an apocalyptic number.

1224523122 is an abundant number, since it is smaller than the sum of its proper divisors (1248301518).

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

1224523122 is a wasteful number, since it uses less digits than its factorization.

1224523122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981537.

The product of its digits is 1920, while the sum is 24.

The square root of 1224523122 is about 34993.1867940032. The cubic root of 1224523122 is about 1069.8486180573.

Adding to 1224523122 its reverse (2213254221), we get a palindrome (3437777343).

The spelling of 1224523122 in words is "one billion, two hundred twenty-four million, five hundred twenty-three thousand, one hundred twenty-two".