1213224676 has 6 divisors (see below), whose sum is σ = 2123143190. Its totient is φ = 606612336.

The previous prime is 1213224659. The next prime is 1213224739. The reversal of 1213224676 is 6764223121.

It can be written as a sum of positive squares in only one way, i.e., 1061195776 + 152028900 = 32576^2 + 12330^2 .

It is a super-2 number, since 2×1213224676² = 2943828228910609952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151653081 + ... + 151653088.

Almost surely, 2^1213224676 is an apocalyptic number.

It is an amenable number.

1213224676 is a deficient number, since it is larger than the sum of its proper divisors (909918514).

1213224676 is a wasteful number, since it uses less digits than its factorization.

1213224676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303306173 (or 303306171 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 1213224676 is about 34831.3748795536. The cubic root of 1213224676 is about 1066.5480147101.

Adding to 1213224676 its reverse (6764223121), we get a palindrome (7977447797).

The spelling of 1213224676 in words is "one billion, two hundred thirteen million, two hundred twenty-four thousand, six hundred seventy-six".