1240002422 has 8 divisors (see below), whose sum is σ = 1866576936. Its totient is φ = 617810112.

The previous prime is 1240002409. The next prime is 1240002431. The reversal of 1240002422 is 2242000421.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1240002422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094843 + ... + 1095974.

It is an arithmetic number, because the mean of its divisors is an integer number (233322117).

Almost surely, 2^1240002422 is an apocalyptic number.

1240002422 is a deficient number, since it is larger than the sum of its proper divisors (626574514).

1240002422 is a wasteful number, since it uses less digits than its factorization.

1240002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191102.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1240002422 is about 35213.6681133903. The cubic root of 1240002422 is about 1074.3377704628.

Adding to 1240002422 its reverse (2242000421), we get a palindrome (3482002843).

The spelling of 1240002422 in words is "one billion, two hundred forty million, two thousand, four hundred twenty-two".