1455224420344 has 16 divisors (see below), whose sum is σ = 2729660882400. Its totient is φ = 727314851712.

The previous prime is 1455224420341. The next prime is 1455224420389. The reversal of 1455224420344 is 4430244225541.

It is a super-2 number, since 2×1455224420344² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1455224420297 and 1455224420306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455224420341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37149009 + ... + 37188160.

It is an arithmetic number, because the mean of its divisors is an integer number (170603805150).

Almost surely, 2^{1455224420344} is an apocalyptic number.

It is an amenable number.

1455224420344 is a deficient number, since it is larger than the sum of its proper divisors (1274436462056).

1455224420344 is a wasteful number, since it uses less digits than its factorization.

1455224420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74339622 (or 74339618 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 1455224420344 its reverse (4430244225541), we get a palindrome (5885468645885).

The spelling of 1455224420344 in words is "one trillion, four hundred fifty-five billion, two hundred twenty-four million, four hundred twenty thousand, three hundred forty-four".