1222442502344 has 64 divisors (see below), whose sum is σ = 2710770710400. Its totient is φ = 505666022400.

The previous prime is 1222442502221. The next prime is 1222442502353. The reversal of 1222442502344 is 4432052442221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4698224 + ... + 4951584.

It is an arithmetic number, because the mean of its divisors is an integer number (42355792350).

Almost surely, 2^{1222442502344} is an apocalyptic number.

1222442502344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222442502344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355385355200).

1222442502344 is an abundant number, since it is smaller than the sum of its proper divisors (1488328208056).

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

1222442502344 is a wasteful number, since it uses less digits than its factorization.

1222442502344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256374 (or 256370 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 1222442502344 its reverse (4432052442221), we get a palindrome (5654494944565).

The spelling of 1222442502344 in words is "one trillion, two hundred twenty-two billion, four hundred forty-two million, five hundred two thousand, three hundred forty-four".