1229356676 has 6 divisors (see below), whose sum is σ = 2151374190. Its totient is φ = 614678336.

The previous prime is 1229356663. The next prime is 1229356679. The reversal of 1229356676 is 6766539221.

It can be written as a sum of positive squares in only one way, i.e., 727596676 + 501760000 = 26974^2 + 22400^2 .

It is a super-2 number, since 2×1229356676² = 3022635673651537952, 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 1229356676.

It is not an unprimeable number, because it can be changed into a prime (1229356679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153669581 + ... + 153669588.

It is an arithmetic number, because the mean of its divisors is an integer number (358562365).

Almost surely, 2^1229356676 is an apocalyptic number.

It is an amenable number.

1229356676 is a deficient number, since it is larger than the sum of its proper divisors (922017514).

1229356676 is a wasteful number, since it uses less digits than its factorization.

1229356676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307339173 (or 307339171 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 1229356676 is about 35062.1829896543. The cubic root of 1229356676 is about 1071.2544393141.

The spelling of 1229356676 in words is "one billion, two hundred twenty-nine million, three hundred fifty-six thousand, six hundred seventy-six".