1240522222 has 8 divisors (see below), whose sum is σ = 1904057496. Its totient is φ = 605836392.

The previous prime is 1240522201. The next prime is 1240522237. The reversal of 1240522222 is 2222250421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1240522193 and 1240522202.

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, 7212253 + ... + 7212424.

It is an arithmetic number, because the mean of its divisors is an integer number (238007187).

Almost surely, 2^1240522222 is an apocalyptic number.

1240522222 is a deficient number, since it is larger than the sum of its proper divisors (663535274).

1240522222 is a wasteful number, since it uses less digits than its factorization.

1240522222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14424722.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1240522222 is about 35221.0479969009. The cubic root of 1240522222 is about 1074.4878676857.

Adding to 1240522222 its reverse (2222250421), we get a palindrome (3462772643).

The spelling of 1240522222 in words is "one billion, two hundred forty million, five hundred twenty-two thousand, two hundred twenty-two".