225422123445 has 64 divisors (see below), whose sum is σ = 403140810240. Its totient is φ = 119509991424.

The previous prime is 225422123429. The next prime is 225422123477. The reversal of 225422123445 is 544321224522.

225422123445 is a `hidden beast` number, since 22 + 54 + 22 + 123 + 445 = 666.

225422123445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225422123445 - 2⁴ = 225422123429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17445127 + ... + 17458043.

It is an arithmetic number, because the mean of its divisors is an integer number (6299075160).

Almost surely, 2^225422123445 is an apocalyptic number.

It is an amenable number.

225422123445 is a deficient number, since it is larger than the sum of its proper divisors (177718686795).

225422123445 is a wasteful number, since it uses less digits than its factorization.

225422123445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691 (or 13685 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

Adding to 225422123445 its reverse (544321224522), we get a palindrome (769743347967).

The spelling of 225422123445 in words is "two hundred twenty-five billion, four hundred twenty-two million, one hundred twenty-three thousand, four hundred forty-five".