1222002993 has 32 divisors (see below), whose sum is σ = 1834842240. Its totient is φ = 718848000.

The previous prime is 1222002967. The next prime is 1222003001. The reversal of 1222002993 is 3992002221.

It is a happy number.

It is not a de Polignac number, because 1222002993 - 2¹³ = 1221994801 is a prime.

It is a super-3 number, since 3×1222002993³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1222002993.

It is not an unprimeable number, because it can be changed into a prime (1222002953) 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 31 ways as a sum of consecutive naturals, for example, 87493 + ... + 100493.

It is an arithmetic number, because the mean of its divisors is an integer number (57338820).

Almost surely, 2^1222002993 is an apocalyptic number.

It is an amenable number.

1222002993 is a deficient number, since it is larger than the sum of its proper divisors (612839247).

1222002993 is a wasteful number, since it uses less digits than its factorization.

1222002993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1222002993 is about 34957.1593954658. The cubic root of 1222002993 is about 1069.1141802437.

The spelling of 1222002993 in words is "one billion, two hundred twenty-two million, two thousand, nine hundred ninety-three".