1222431514452 has 96 divisors (see below), whose sum is σ = 3236789122560. Its totient is φ = 403870852224.

The previous prime is 1222431514439. The next prime is 1222431514471. The reversal of 1222431514452 is 2544151342221.

1222431514452 is a `hidden beast` number, since 1 + 2 + 22 + 43 + 151 + 445 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370213 + ... + 1606835.

It is an arithmetic number, because the mean of its divisors is an integer number (33716553360).

Almost surely, 2^{1222431514452} is an apocalyptic number.

1222431514452 is a gapful number since it is divisible by the number (12) 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 1222431514452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618394561280).

1222431514452 is an abundant number, since it is smaller than the sum of its proper divisors (2014357608108).

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

1222431514452 is a wasteful number, since it uses less digits than its factorization.

1222431514452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236761 (or 1236741 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 1222431514452 its reverse (2544151342221), we get a palindrome (3766582856673).

The spelling of 1222431514452 in words is "one trillion, two hundred twenty-two billion, four hundred thirty-one million, five hundred fourteen thousand, four hundred fifty-two".