11622162221 has 8 divisors (see below), whose sum is σ = 11692078944. Its totient is φ = 11552308560.

The previous prime is 11622162199. The next prime is 11622162283. The reversal of 11622162221 is 12226122611.

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 11622162221 - 2⁶ = 11622162157 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 (11622362221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384170 + ... + 413316.

It is an arithmetic number, because the mean of its divisors is an integer number (1461509868).

Almost surely, 2^11622162221 is an apocalyptic number.

It is an amenable number.

11622162221 is a deficient number, since it is larger than the sum of its proper divisors (69916723).

11622162221 is a wasteful number, since it uses less digits than its factorization.

11622162221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31531.

The product of its digits is 1152, while the sum is 26.

Adding to 11622162221 its reverse (12226122611), we get a palindrome (23848284832).

The spelling of 11622162221 in words is "eleven billion, six hundred twenty-two million, one hundred sixty-two thousand, two hundred twenty-one".