1229343844 has 27 divisors (see below), whose sum is σ = 2204007897. Its totient is φ = 599980944.

The previous prime is 1229343839. The next prime is 1229343853. The reversal of 1229343844 is 4483439221.

The square root of 1229343844 is 35062.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 668222500 + 561121344 = 25850^2 + 23688^2 .

It is a super-2 number, since 2×1229343844² = 3022572573561392672, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1229343797 and 1229343806.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3295642 + ... + 3296014.

Almost surely, 2^1229343844 is an apocalyptic number.

1229343844 is the 35062-nd square number.

It is an amenable number.

1229343844 is a deficient number, since it is larger than the sum of its proper divisors (974664053).

1229343844 is an frugal number, since it uses more digits than its factorization.

1229343844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 422 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The cubic root of 1229343844 is about 1071.2507120571.

The spelling of 1229343844 in words is "one billion, two hundred twenty-nine million, three hundred forty-three thousand, eight hundred forty-four".