1222413013 has 4 divisors (see below), whose sum is σ = 1286750560. Its totient is φ = 1158075468.

The previous prime is 1222412963. The next prime is 1222413029. The reversal of 1222413013 is 3103142221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222413013 - 2⁹ = 1222412501 is a prime.

It is a super-3 number, since 3×1222413013³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 64337527 = 1222413013 / (1 + 2 + 2 + 2 + 4 + 1 + 3 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222413053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32168745 + ... + 32168782.

It is an arithmetic number, because the mean of its divisors is an integer number (321687640).

Almost surely, 2^1222413013 is an apocalyptic number.

It is an amenable number.

1222413013 is a deficient number, since it is larger than the sum of its proper divisors (64337547).

1222413013 is an equidigital number, since it uses as much as digits as its factorization.

1222413013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64337546.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1222413013 is about 34963.0235105604. The cubic root of 1222413013 is about 1069.2337405558.

Adding to 1222413013 its reverse (3103142221), we get a palindrome (4325555234).

The spelling of 1222413013 in words is "one billion, two hundred twenty-two million, four hundred thirteen thousand, thirteen".