2244323420 has 24 divisors (see below), whose sum is σ = 4792964400. Its totient is φ = 882513152.

The previous prime is 2244323359. The next prime is 2244323423. The reversal of 2244323420 is 243234422.

It is a happy number.

It is a super-2 number, since 2×2244323420² = 10073975227120992800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2244323420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244323423) 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, 949805 + ... + 952164.

It is an arithmetic number, because the mean of its divisors is an integer number (199706850).

Almost surely, 2^2244323420 is an apocalyptic number.

2244323420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244323420 is an abundant number, since it is smaller than the sum of its proper divisors (2548640980).

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

2244323420 is a wasteful number, since it uses less digits than its factorization.

2244323420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902037 (or 1902035 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2244323420 is about 47374.2907070913. The cubic root of 2244323420 is about 1309.2677803042.

Adding to 2244323420 its reverse (243234422), we get a palindrome (2487557842).

The spelling of 2244323420 in words is "two billion, two hundred forty-four million, three hundred twenty-three thousand, four hundred twenty".