1229339748 has 192 divisors, whose sum is σ = 3747645440. Its totient is φ = 304570368.

The previous prime is 1229339737. The next prime is 1229339791. The reversal of 1229339748 is 8479339221.

It is a super-2 number, since 2×1229339748² = 3022552432025407008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1229339697 and 1229339706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4004211 + ... + 4004517.

Almost surely, 2^1229339748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229339748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873822720).

1229339748 is an abundant number, since it is smaller than the sum of its proper divisors (2518305692).

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

1229339748 is a wasteful number, since it uses less digits than its factorization.

1229339748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 1229339748 is about 35061.9415891362. The cubic root of 1229339748 is about 1071.2495223038.

The spelling of 1229339748 in words is "one billion, two hundred twenty-nine million, three hundred thirty-nine thousand, seven hundred forty-eight".