1226068644 has 48 divisors (see below), whose sum is σ = 2914833600. Its totient is φ = 401022336.

The previous prime is 1226068643. The next prime is 1226068681. The reversal of 1226068644 is 4468606221.

It is a super-3 number, since 3×1226068644³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1226068643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213442 + ... + 219110.

It is an arithmetic number, because the mean of its divisors is an integer number (60725700).

Almost surely, 2^1226068644 is an apocalyptic number.

It is an amenable number.

1226068644 is an abundant number, since it is smaller than the sum of its proper divisors (1688764956).

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

1226068644 is a wasteful number, since it uses less digits than its factorization.

1226068644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012 (or 6010 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 1226068644 is about 35015.2630148625. The cubic root of 1226068644 is about 1070.2985290999.

The spelling of 1226068644 in words is "one billion, two hundred twenty-six million, sixty-eight thousand, six hundred forty-four".