11627661222 has 12 divisors (see below), whose sum is σ = 25193266020. Its totient is φ = 3875887068.

The previous prime is 11627661203. The next prime is 11627661223. The reversal of 11627661222 is 22216672611.

It is a happy number.

11627661222 is a `hidden beast` number, since 1 + 1 + 627 + 6 + 6 + 1 + 2 + 22 = 666.

It is a super-3 number, since 3×11627661222³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11627661223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322990572 + ... + 322990607.

It is an arithmetic number, because the mean of its divisors is an integer number (2099438835).

Almost surely, 2^11627661222 is an apocalyptic number.

11627661222 is an abundant number, since it is smaller than the sum of its proper divisors (13565604798).

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

11627661222 is a wasteful number, since it uses less digits than its factorization.

11627661222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645981187 (or 645981184 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The spelling of 11627661222 in words is "eleven billion, six hundred twenty-seven million, six hundred sixty-one thousand, two hundred twenty-two".