1222013032240 has 160 divisors (see below), whose sum is σ = 3814731841536. Its totient is φ = 351588142080.

The previous prime is 1222013032133. The next prime is 1222013032241. The reversal of 1222013032240 is 422303102221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1222013032241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7549872 + ... + 7710031.

Almost surely, 2^{1222013032240} is an apocalyptic number.

1222013032240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222013032240 is an abundant number, since it is smaller than the sum of its proper divisors (2592718809296).

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

1222013032240 is a wasteful number, since it uses less digits than its factorization.

1222013032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15259947 (or 15259941 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1222013032240 its reverse (422303102221), we get a palindrome (1644316134461).

The spelling of 1222013032240 in words is "one trillion, two hundred twenty-two billion, thirteen million, thirty-two thousand, two hundred forty".