1225936228608 has 1008 divisors, whose sum is σ = 4640048229376. Its totient is φ = 314424115200.

The previous prime is 1225936228607. The next prime is 1225936228609. The reversal of 1225936228608 is 8068226395221.

1225936228608 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 9 + 3 + 6 + 2 + 28 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (1225936228607) and next prime (1225936228609).

It is a tau number, because it is divible by the number of its divisors (1008).

It is a super-2 number, since 2×1225936228608² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225936228607) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 628362033 + ... + 628363983.

Almost surely, 2^{1225936228608} is an apocalyptic number.

1225936228608 is a gapful number since it is divisible by the number (18) 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 1225936228608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320024114688).

1225936228608 is an abundant number, since it is smaller than the sum of its proper divisors (3414112000768).

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

1225936228608 is an equidigital number, since it uses as much as digits as its factorization.

1225936228608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 1225936228608 in words is "one trillion, two hundred twenty-five billion, nine hundred thirty-six million, two hundred twenty-eight thousand, six hundred eight".