1240308222 has 16 divisors (see below), whose sum is σ = 2482989312. Its totient is φ = 413040600.

The previous prime is 1240308203. The next prime is 1240308241. The reversal of 1240308222 is 2228030421.

It is an interprime number because it is at equal distance from previous prime (1240308203) and next prime (1240308241).

It is a junction number, because it is equal to n+sod(n) for n = 1240308192 and 1240308201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92038 + ... + 104649.

It is an arithmetic number, because the mean of its divisors is an integer number (155186832).

Almost surely, 2^1240308222 is an apocalyptic number.

1240308222 is an abundant number, since it is smaller than the sum of its proper divisors (1242681090).

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

1240308222 is a wasteful number, since it uses less digits than its factorization.

1240308222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197743.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1240308222 is about 35218.0099097039. The cubic root of 1240308222 is about 1074.4260782170.

Adding to 1240308222 its reverse (2228030421), we get a palindrome (3468338643).

The spelling of 1240308222 in words is "one billion, two hundred forty million, three hundred eight thousand, two hundred twenty-two".