1223888627025 has 81 divisors (see below), whose sum is σ = 2212912562107. Its totient is φ = 646607301600.

The previous prime is 1223888626997. The next prime is 1223888627029. The reversal of 1223888627025 is 5207268883221.

The square root of 1223888627025 is 1106295.

It is a perfect power (a square), and thus also a powerful number.

1223888627025 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 8 + 8 + 8 + 627 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 440599905729 + 783288721296 = 663777^2 + 885036^2 .

It is not a de Polignac number, because 1223888627025 - 2⁵ = 1223888626993 is a prime.

It is a super-2 number, since 2×1223888627025² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223888627029) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2173869394 + ... + 2173869956.

Almost surely, 2^{1223888627025} is an apocalyptic number.

1223888627025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1223888627025 is the 1106295-th square number.

1223888627025 is the 553148-th centered octagonal number.

It is an amenable number.

1223888627025 is a deficient number, since it is larger than the sum of its proper divisors (989023935082).

1223888627025 is an frugal number, since it uses more digits than its factorization.

1223888627025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 1223888627025 in words is "one trillion, two hundred twenty-three billion, eight hundred eighty-eight million, six hundred twenty-seven thousand, twenty-five".