1222240293 has 32 divisors (see below), whose sum is σ = 1894320000. Its totient is φ = 777845376.

The previous prime is 1222240291. The next prime is 1222240297. The reversal of 1222240293 is 3920422221.

It is not a de Polignac number, because 1222240293 - 2¹ = 1222240291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222240291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60918 + ... + 78456.

It is an arithmetic number, because the mean of its divisors is an integer number (59197500).

Almost surely, 2^1222240293 is an apocalyptic number.

It is an amenable number.

1222240293 is a deficient number, since it is larger than the sum of its proper divisors (672079707).

1222240293 is a wasteful number, since it uses less digits than its factorization.

1222240293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666 (or 17660 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1222240293 is about 34960.5533852083. The cubic root of 1222240293 is about 1069.1833793036.

The spelling of 1222240293 in words is "one billion, two hundred twenty-two million, two hundred forty thousand, two hundred ninety-three".