130222656 has 168 divisors, whose sum is σ = 400730720. Its totient is φ = 40310784.

The previous prime is 130222639. The next prime is 130222657. The reversal of 130222656 is 656222031.

130222656 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 2 + 2 + 656 = 666.

It is not an unprimeable number, because it can be changed into a prime (130222657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 798831 + ... + 798993.

Almost surely, 2^130222656 is an apocalyptic number.

130222656 is a gapful number since it is divisible by the number (16) 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 130222656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200365360).

130222656 is an abundant number, since it is smaller than the sum of its proper divisors (270508064).

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

130222656 is a wasteful number, since it uses less digits than its factorization.

130222656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 130222656 is about 11411.5141852429. The cubic root of 130222656 is about 506.8687497981.

Adding to 130222656 its reverse (656222031), we get a palindrome (786444687).

The spelling of 130222656 in words is "one hundred thirty million, two hundred twenty-two thousand, six hundred fifty-six".