1222530025 has 12 divisors (see below), whose sum is σ = 1516791312. Its totient is φ = 977473040.

The previous prime is 1222530007. The next prime is 1222530037. The reversal of 1222530025 is 5200352221.

It is not a de Polignac number, because 1222530025 - 2¹⁹ = 1222005737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222529978 and 1222530005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34854 + ... + 60496.

It is an arithmetic number, because the mean of its divisors is an integer number (126399276).

Almost surely, 2^1222530025 is an apocalyptic number.

It is an amenable number.

1222530025 is a deficient number, since it is larger than the sum of its proper divisors (294261287).

1222530025 is a wasteful number, since it uses less digits than its factorization.

1222530025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27560 (or 27555 counting only the distinct ones).

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

The square root of 1222530025 is about 34964.6968383826. The cubic root of 1222530025 is about 1069.2678559176.

Adding to 1222530025 its reverse (5200352221), we get a palindrome (6422882246).

The spelling of 1222530025 in words is "one billion, two hundred twenty-two million, five hundred thirty thousand, twenty-five".