1225022033 has 8 divisors (see below), whose sum is σ = 1229090760. Its totient is φ = 1220961280.

The previous prime is 1225021997. The next prime is 1225022041. The reversal of 1225022033 is 3302205221.

It can be written as a sum of positive squares in 4 ways, for example, as 100962304 + 1124059729 = 10048^2 + 33527^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1225022033 - 2¹⁸ = 1224759889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225021996 and 1225022014.

It is not an unprimeable number, because it can be changed into a prime (1225022083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468233 + ... + 470841.

It is an arithmetic number, because the mean of its divisors is an integer number (153636345).

Almost surely, 2^1225022033 is an apocalyptic number.

It is an amenable number.

1225022033 is a deficient number, since it is larger than the sum of its proper divisors (4068727).

1225022033 is an equidigital number, since it uses as much as digits as its factorization.

1225022033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1225022033 is about 35000.3147557276. The cubic root of 1225022033 is about 1069.9938955019.

Adding to 1225022033 its reverse (3302205221), we get a palindrome (4527227254).

The spelling of 1225022033 in words is "one billion, two hundred twenty-five million, twenty-two thousand, thirty-three".