1222013001 has 48 divisors (see below), whose sum is σ = 1857658880. Its totient is φ = 713512800.

The previous prime is 1222012969. The next prime is 1222013053. The reversal of 1222013001 is 1003102221.

It is not a de Polignac number, because 1222013001 - 2⁵ = 1222012969 is a prime.

It is a super-2 number, since 2×1222013001² = 2986631549226052002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222013801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1232616 + ... + 1233606.

Almost surely, 2^1222013001 is an apocalyptic number.

1222013001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222013001 is a deficient number, since it is larger than the sum of its proper divisors (635645879).

1222013001 is a wasteful number, since it uses less digits than its factorization.

1222013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1222013001 is about 34957.3025418152. The cubic root of 1222013001 is about 1069.1170988578.

Adding to 1222013001 its reverse (1003102221), we get a palindrome (2225115222).

The spelling of 1222013001 in words is "one billion, two hundred twenty-two million, thirteen thousand, one".