1222023013 has 8 divisors (see below), whose sum is σ = 1260311040. Its totient is φ = 1184011920.

The previous prime is 1222022987. The next prime is 1222023029. The reversal of 1222023013 is 3103202221.

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 1222023013 - 2¹³ = 1222014821 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 (1222023043) 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, 60253 + ... + 77938.

It is an arithmetic number, because the mean of its divisors is an integer number (157538880).

Almost surely, 2^1222023013 is an apocalyptic number.

It is an amenable number.

1222023013 is a deficient number, since it is larger than the sum of its proper divisors (38288027).

1222023013 is a wasteful number, since it uses less digits than its factorization.

1222023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138467.

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

The square root of 1222023013 is about 34957.4457447909. The cubic root of 1222023013 is about 1069.1200186225.

Adding to 1222023013 its reverse (3103202221), we get a palindrome (4325225234).

The spelling of 1222023013 in words is "one billion, two hundred twenty-two million, twenty-three thousand, thirteen".