1222307493 has 8 divisors (see below), whose sum is σ = 1777901856. Its totient is φ = 740792400.

The previous prime is 1222307483. The next prime is 1222307503. The reversal of 1222307493 is 3947032221.

It is an interprime number because it is at equal distance from previous prime (1222307483) and next prime (1222307503).

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

It is not a de Polignac number, because 1222307493 - 2²⁰ = 1221258917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 37039621 = 1222307493 / (1 + 2 + 2 + 2 + 3 + 0 + 7 + 4 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222307483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18519778 + ... + 18519843.

It is an arithmetic number, because the mean of its divisors is an integer number (222237732).

Almost surely, 2^1222307493 is an apocalyptic number.

It is an amenable number.

1222307493 is a deficient number, since it is larger than the sum of its proper divisors (555594363).

1222307493 is a wasteful number, since it uses less digits than its factorization.

1222307493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37039635.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1222307493 is about 34961.5144551834. The cubic root of 1222307493 is about 1069.2029738701.

The spelling of 1222307493 in words is "one billion, two hundred twenty-two million, three hundred seven thousand, four hundred ninety-three".