1240424222 has 4 divisors (see below), whose sum is σ = 1860636336. Its totient is φ = 620212110.

The previous prime is 1240424219. The next prime is 1240424231. The reversal of 1240424222 is 2224240421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310106054 + ... + 310106057.

It is an arithmetic number, because the mean of its divisors is an integer number (465159084).

Almost surely, 2^1240424222 is an apocalyptic number.

1240424222 is a deficient number, since it is larger than the sum of its proper divisors (620212114).

1240424222 is an equidigital number, since it uses as much as digits as its factorization.

1240424222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620212113.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1240424222 is about 35219.6567558516. The cubic root of 1240424222 is about 1074.4595724559.

Adding to 1240424222 its reverse (2224240421), we get a palindrome (3464664643).

The spelling of 1240424222 in words is "one billion, two hundred forty million, four hundred twenty-four thousand, two hundred twenty-two".