1222514021344 has 72 divisors (see below), whose sum is σ = 3023448999984. Its totient is φ = 476304153600.

The previous prime is 1222514021297. The next prime is 1222514021371. The reversal of 1222514021344 is 4431204152221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22525177 + ... + 22579384.

It is an arithmetic number, because the mean of its divisors is an integer number (41992347222).

Almost surely, 2^{1222514021344} is an apocalyptic number.

1222514021344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1222514021344 is an abundant number, since it is smaller than the sum of its proper divisors (1800934978640).

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

1222514021344 is a wasteful number, since it uses less digits than its factorization.

1222514021344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45104600 (or 45104581 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1222514021344 its reverse (4431204152221), we get a palindrome (5653718173565).

The spelling of 1222514021344 in words is "one trillion, two hundred twenty-two billion, five hundred fourteen million, twenty-one thousand, three hundred forty-four".