1220325025 has 48 divisors (see below), whose sum is σ = 1670518080. Its totient is φ = 880486400.

The previous prime is 1220325023. The next prime is 1220325031. The reversal of 1220325025 is 5205230221.

It is not a de Polignac number, because 1220325025 - 2¹ = 1220325023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220324987 and 1220325005.

It is not an unprimeable number, because it can be changed into a prime (1220325023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1027482 + ... + 1028668.

It is an arithmetic number, because the mean of its divisors is an integer number (34802460).

Almost surely, 2^1220325025 is an apocalyptic number.

It is an amenable number.

1220325025 is a deficient number, since it is larger than the sum of its proper divisors (450193055).

1220325025 is a wasteful number, since it uses less digits than its factorization.

1220325025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1220325025 is about 34933.1508026402. The cubic root of 1220325025 is about 1068.6246121266.

Adding to 1220325025 its reverse (5205230221), we get a palindrome (6425555246).

The spelling of 1220325025 in words is "one billion, two hundred twenty million, three hundred twenty-five thousand, twenty-five".