225421124522 has 16 divisors (see below), whose sum is σ = 372523122144. Its totient is φ = 101449650000.

The previous prime is 225421124507. The next prime is 225421124561.

225421124522 is nontrivially palindromic in base 10.

225421124522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 50722604 + ... + 50727047.

It is an arithmetic number, because the mean of its divisors is an integer number (23282695134).

Almost surely, 2^225421124522 is an apocalyptic number.

225421124522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225421124522 is a deficient number, since it is larger than the sum of its proper divisors (147101997622).

225421124522 is a wasteful number, since it uses less digits than its factorization.

225421124522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101449765.

The product of its digits is 25600, while the sum is 32.

It can be divided in two parts, 225421 and 124522, that added together give a palindrome (349943).

The spelling of 225421124522 in words is "two hundred twenty-five billion, four hundred twenty-one million, one hundred twenty-four thousand, five hundred twenty-two".