1222594560 has 520 divisors, whose sum is σ = 4852479456. Its totient is φ = 291962880.

The previous prime is 1222594553. The next prime is 1222594561. The reversal of 1222594560 is 654952221.

1222594560 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 5 + 94 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222594561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18247647 + ... + 18247713.

Almost surely, 2^1222594560 is an apocalyptic number.

1222594560 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 1222594560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426239728).

1222594560 is an abundant number, since it is smaller than the sum of its proper divisors (3629884896).

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

1222594560 is an equidigital number, since it uses as much as digits as its factorization.

1222594560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1222594560 is about 34965.6196856283. The cubic root of 1222594560 is about 1069.2866704485.

The spelling of 1222594560 in words is "one billion, two hundred twenty-two million, five hundred ninety-four thousand, five hundred sixty".