11622213720 has 896 divisors, whose sum is σ = 46537666560. Its totient is φ = 2586608640.

The previous prime is 11622213679. The next prime is 11622213731. The reversal of 11622213720 is 2731222611.

11622213720 is a `hidden beast` number, since 1 + 1 + 622 + 2 + 1 + 37 + 2 + 0 = 666.

11622213720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 270284019 + ... + 270284061.

It is an arithmetic number, because the mean of its divisors is an integer number (51939360).

Almost surely, 2^11622213720 is an apocalyptic number.

11622213720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11622213720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23268833280).

11622213720 is an abundant number, since it is smaller than the sum of its proper divisors (34915452840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11622213720 is a wasteful number, since it uses less digits than its factorization.

11622213720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 11622213720 in words is "eleven billion, six hundred twenty-two million, two hundred thirteen thousand, seven hundred twenty".