1222202011 has 8 divisors (see below), whose sum is σ = 1234220544. Its totient is φ = 1210204800.

The previous prime is 1222201993. The next prime is 1222202077. The reversal of 1222202011 is 1102022221.

It is a happy number.

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 1222202011 - 2⁵ = 1222201979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222201982 and 1222202000.

It is not an unprimeable number, because it can be changed into a prime (1222200011) 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, 125365 + ... + 134761.

It is an arithmetic number, because the mean of its divisors is an integer number (154277568).

Almost surely, 2^1222202011 is an apocalyptic number.

1222202011 is a deficient number, since it is larger than the sum of its proper divisors (12018533).

1222202011 is a wasteful number, since it uses less digits than its factorization.

1222202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1222202011 is about 34960.0058781460. The cubic root of 1222202011 is about 1069.1722164944.

Adding to 1222202011 its reverse (1102022221), we get a palindrome (2324224232).

The spelling of 1222202011 in words is "one billion, two hundred twenty-two million, two hundred two thousand, eleven".