38466111222 has 144 divisors (see below), whose sum is σ = 109681895232. Its totient is φ = 9991129680.

The previous prime is 38466111217. The next prime is 38466111239. The reversal of 38466111222 is 22211166483.

It is a happy number.

38466111222 is a `hidden beast` number, since 3 + 8 + 4 + 6 + 611 + 12 + 22 = 666.

38466111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 188533 + ... + 335375.

It is an arithmetic number, because the mean of its divisors is an integer number (761679828).

Almost surely, 2^38466111222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38466111222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54840947616).

38466111222 is an abundant number, since it is smaller than the sum of its proper divisors (71215784010).

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

38466111222 is a wasteful number, since it uses less digits than its factorization.

38466111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146885 (or 146866 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The spelling of 38466111222 in words is "thirty-eight billion, four hundred sixty-six million, one hundred eleven thousand, two hundred twenty-two".