1226660612 has 6 divisors (see below), whose sum is σ = 2146656078. Its totient is φ = 613330304.

The previous prime is 1226660597. The next prime is 1226660641. The reversal of 1226660612 is 2160666221.

It can be written as a sum of positive squares in only one way, i.e., 1066283716 + 160376896 = 32654^2 + 12664^2 .

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 as a sum of consecutive naturals, namely, 153332573 + ... + 153332580.

It is an arithmetic number, because the mean of its divisors is an integer number (357776013).

Almost surely, 2^1226660612 is an apocalyptic number.

It is an amenable number.

1226660612 is a deficient number, since it is larger than the sum of its proper divisors (919995466).

1226660612 is a wasteful number, since it uses less digits than its factorization.

1226660612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306665157 (or 306665155 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1226660612 is about 35023.7149942721. The cubic root of 1226660612 is about 1070.4707545137.

The spelling of 1226660612 in words is "one billion, two hundred twenty-six million, six hundred sixty thousand, six hundred twelve".