1223022013 has 8 divisors (see below), whose sum is σ = 1296596480. Its totient is φ = 1151580240.

The previous prime is 1223021983. The next prime is 1223022019. The reversal of 1223022013 is 3102203221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223022013 - 2⁵ = 1223021981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223022019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531993 + ... + 534286.

It is an arithmetic number, because the mean of its divisors is an integer number (162074560).

Almost surely, 2^1223022013 is an apocalyptic number.

It is an amenable number.

1223022013 is a deficient number, since it is larger than the sum of its proper divisors (73574467).

1223022013 is a wasteful number, since it uses less digits than its factorization.

1223022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066347.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1223022013 is about 34971.7316271299. The cubic root of 1223022013 is about 1069.4112733633.

Adding to 1223022013 its reverse (3102203221), we get a palindrome (4325225234).

It can be divided in two parts, 12230 and 22013, that added together give a palindrome (34243).

The spelling of 1223022013 in words is "one billion, two hundred twenty-three million, twenty-two thousand, thirteen".