1366222132 has 144 divisors (see below), whose sum is σ = 2949408000. Its totient is φ = 550851840.

The previous prime is 1366222097. The next prime is 1366222147. The reversal of 1366222132 is 2312226631.

It is a self number, because there is not a number n which added to its sum of digits gives 1366222132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12534094 + ... + 12534202.

It is an arithmetic number, because the mean of its divisors is an integer number (20482000).

Almost surely, 2^1366222132 is an apocalyptic number.

It is an amenable number.

1366222132 is an abundant number, since it is smaller than the sum of its proper divisors (1583185868).

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

1366222132 is a wasteful number, since it uses less digits than its factorization.

1366222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 217 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 1366222132 is about 36962.4421812196. The cubic root of 1366222132 is about 1109.6187127506.

Adding to 1366222132 its reverse (2312226631), we get a palindrome (3678448763).

The spelling of 1366222132 in words is "one billion, three hundred sixty-six million, two hundred twenty-two thousand, one hundred thirty-two".