1225343404454 has 32 divisors (see below), whose sum is σ = 1990469587680. Its totient is φ = 562389265152.

The previous prime is 1225343404429. The next prime is 1225343404457. The reversal of 1225343404454 is 4544043435221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225343404457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3230144 + ... + 3589500.

It is an arithmetic number, because the mean of its divisors is an integer number (62202174615).

Almost surely, 2^{1225343404454} is an apocalyptic number.

1225343404454 is a deficient number, since it is larger than the sum of its proper divisors (765126183226).

1225343404454 is a wasteful number, since it uses less digits than its factorization.

1225343404454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360104.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 1225343404454 its reverse (4544043435221), we get a palindrome (5769386839675).

The spelling of 1225343404454 in words is "one trillion, two hundred twenty-five billion, three hundred forty-three million, four hundred four thousand, four hundred fifty-four".