1222114240 has 112 divisors (see below), whose sum is σ = 3021177600. Its totient is φ = 470384640.

The previous prime is 1222114217. The next prime is 1222114247. The reversal of 1222114240 is 424112221.

It is a super-2 number, since 2×1222114240² = 2987126431221555200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222114247) 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 15 ways as a sum of consecutive naturals, for example, 3461904 + ... + 3462256.

It is an arithmetic number, because the mean of its divisors is an integer number (26974800).

Almost surely, 2^1222114240 is an apocalyptic number.

1222114240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222114240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510588800).

1222114240 is an abundant number, since it is smaller than the sum of its proper divisors (1799063360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222114240 is a wasteful number, since it uses less digits than its factorization.

1222114240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1222114240 is about 34958.7505497551. The cubic root of 1222114240 is about 1069.1466220999.

Adding to 1222114240 its reverse (424112221), we get a palindrome (1646226461).

The spelling of 1222114240 in words is "one billion, two hundred twenty-two million, one hundred fourteen thousand, two hundred forty".