1224422244 has 60 divisors (see below), whose sum is σ = 3369366000. Its totient is φ = 386657712.

The previous prime is 1224422233. The next prime is 1224422279. The reversal of 1224422244 is 4422244221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93294 + ... + 105605.

It is an arithmetic number, because the mean of its divisors is an integer number (56156100).

Almost surely, 2^1224422244 is an apocalyptic number.

It is an amenable number.

1224422244 is an abundant number, since it is smaller than the sum of its proper divisors (2144943756).

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

1224422244 is a wasteful number, since it uses less digits than its factorization.

1224422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198934 (or 198923 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 1224422244 is about 34991.7453694439. The cubic root of 1224422244 is about 1069.8192386876.

Adding to 1224422244 its reverse (4422244221), we get a palindrome (5646666465).

The spelling of 1224422244 in words is "one billion, two hundred twenty-four million, four hundred twenty-two thousand, two hundred forty-four".