1223001336 has 32 divisors (see below), whose sum is σ = 3156134400. Its totient is φ = 394516320.

The previous prime is 1223001323. The next prime is 1223001343. The reversal of 1223001336 is 6331003221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821166 + ... + 822653.

It is an arithmetic number, because the mean of its divisors is an integer number (98629200).

Almost surely, 2^1223001336 is an apocalyptic number.

It is an amenable number.

1223001336 is an abundant number, since it is smaller than the sum of its proper divisors (1933133064).

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

1223001336 is a wasteful number, since it uses less digits than its factorization.

1223001336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643859 (or 1643855 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1223001336 is about 34971.4360013998. The cubic root of 1223001336 is about 1069.4052466685.

Adding to 1223001336 its reverse (6331003221), we get a palindrome (7554004557).

The spelling of 1223001336 in words is "one billion, two hundred twenty-three million, one thousand, three hundred thirty-six".