1222202013 has 16 divisors (see below), whose sum is σ = 1690360320. Its totient is φ = 784574784.

The previous prime is 1222201993. The next prime is 1222202077. The reversal of 1222202013 is 3102022221.

It is a happy number.

It is not a de Polignac number, because 1222202013 - 2⁶ = 1222201949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222201983 and 1222202001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222202213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13620 + ... + 51282.

It is an arithmetic number, because the mean of its divisors is an integer number (105647520).

Almost surely, 2^1222202013 is an apocalyptic number.

It is an amenable number.

1222202013 is a deficient number, since it is larger than the sum of its proper divisors (468158307).

1222202013 is a wasteful number, since it uses less digits than its factorization.

1222202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38068.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1222202013 is about 34960.0059067501. The cubic root of 1222202013 is about 1069.1722170776.

Adding to 1222202013 its reverse (3102022221), we get a palindrome (4324224234).

The spelling of 1222202013 in words is "one billion, two hundred twenty-two million, two hundred two thousand, thirteen".