1232022301225 has 27 divisors (see below), whose sum is σ = 1549431347439. Its totient is φ = 971796556800.

The previous prime is 1232022301201. The next prime is 1232022301243. The reversal of 1232022301225 is 5221032202321.

The square root of 1232022301225 is 1109965.

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

It can be written as a sum of positive squares in 13 ways, for example, as 58275408409 + 1173746892816 = 241403^2 + 1083396^2 .

It is not a de Polignac number, because 1232022301225 - 2⁹ = 1232022300713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232022301225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 405135705 + ... + 405138745.

Almost surely, 2^{1232022301225} is an apocalyptic number.

1232022301225 is the 1109965-th square number.

1232022301225 is the 554983-rd centered octagonal number.

It is an amenable number.

1232022301225 is a deficient number, since it is larger than the sum of its proper divisors (317409046214).

1232022301225 is an frugal number, since it uses more digits than its factorization.

1232022301225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238 (or 3119 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Multiplying 1232022301225 by its sum of digits (25), we get a square (30800557530625 = 5549825²).

1232022301225 divided by its sum of digits (25) gives a square (49280892049 = 221993²).

Adding to 1232022301225 its reverse (5221032202321), we get a palindrome (6453054503546).

The spelling of 1232022301225 in words is "one trillion, two hundred thirty-two billion, twenty-two million, three hundred one thousand, two hundred twenty-five".