1223174283264 has 896 divisors, whose sum is σ = 4051450368000. Its totient is φ = 363095654400.

The previous prime is 1223174283197. The next prime is 1223174283323. The reversal of 1223174283264 is 4623824713221.

1223174283264 is a `hidden beast` number, since 1 + 2 + 2 + 317 + 4 + 2 + 8 + 326 + 4 = 666.

It is a super-2 number, since 2×1223174283264² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5341372302 + ... + 5341372530.

It is an arithmetic number, because the mean of its divisors is an integer number (4521708000).

Almost surely, 2^{1223174283264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223174283264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025725184000).

1223174283264 is an abundant number, since it is smaller than the sum of its proper divisors (2828276084736).

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

1223174283264 is a wasteful number, since it uses less digits than its factorization.

1223174283264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 325 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

Adding to 1223174283264 its reverse (4623824713221), we get a palindrome (5846998996485).

The spelling of 1223174283264 in words is "one trillion, two hundred twenty-three billion, one hundred seventy-four million, two hundred eighty-three thousand, two hundred sixty-four".