1225343533 has 8 divisors (see below), whose sum is σ = 1256618880. Its totient is φ = 1194285120.

The previous prime is 1225343531. The next prime is 1225343549. The reversal of 1225343533 is 3353435221.

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 1225343533 - 2¹ = 1225343531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225343495 and 1225343504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225343531) 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, 42763 + ... + 65416.

It is an arithmetic number, because the mean of its divisors is an integer number (157077360).

Almost surely, 2^1225343533 is an apocalyptic number.

It is an amenable number.

1225343533 is a deficient number, since it is larger than the sum of its proper divisors (31275347).

1225343533 is a wasteful number, since it uses less digits than its factorization.

1225343533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108467.

The product of its digits is 32400, while the sum is 31.

The square root of 1225343533 is about 35004.9072702671. The cubic root of 1225343533 is about 1070.0874918995.

Adding to 1225343533 its reverse (3353435221), we get a palindrome (4578778754).

The spelling of 1225343533 in words is "one billion, two hundred twenty-five million, three hundred forty-three thousand, five hundred thirty-three".