1240144222 has 24 divisors (see below), whose sum is σ = 1951382160. Its totient is φ = 591048480.

The previous prime is 1240144211. The next prime is 1240144223. The reversal of 1240144222 is 2224410421.

It is a junction number, because it is equal to n+sod(n) for n = 1240144193 and 1240144202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240144223) 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 11 ways as a sum of consecutive naturals, for example, 327154 + ... + 330922.

It is an arithmetic number, because the mean of its divisors is an integer number (81307590).

Almost surely, 2^1240144222 is an apocalyptic number.

1240144222 is a deficient number, since it is larger than the sum of its proper divisors (711237938).

1240144222 is a wasteful number, since it uses less digits than its factorization.

1240144222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1240144222 is about 35215.6814785686. The cubic root of 1240144222 is about 1074.3787207294.

Adding to 1240144222 its reverse (2224410421), we get a palindrome (3464554643).

The spelling of 1240144222 in words is "one billion, two hundred forty million, one hundred forty-four thousand, two hundred twenty-two".