1225202993 has 8 divisors (see below), whose sum is σ = 1405217280. Its totient is φ = 1046435040.

The previous prime is 1225202917. The next prime is 1225203013. The reversal of 1225202993 is 3992025221.

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

It is not a de Polignac number, because 1225202993 - 2³⁰ = 151461169 is a prime.

It is a super-2 number, since 2×1225202993² = 3002244748112316098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225201993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309473 + ... + 313406.

It is an arithmetic number, because the mean of its divisors is an integer number (175652160).

Almost surely, 2^1225202993 is an apocalyptic number.

It is an amenable number.

1225202993 is a deficient number, since it is larger than the sum of its proper divisors (180014287).

1225202993 is an equidigital number, since it uses as much as digits as its factorization.

1225202993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623167.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1225202993 is about 35002.8997798754. The cubic root of 1225202993 is about 1070.0465793331.

The spelling of 1225202993 in words is "one billion, two hundred twenty-five million, two hundred two thousand, nine hundred ninety-three".