225122523742 has 16 divisors (see below), whose sum is σ = 346184807472. Its totient is φ = 109731791680.

The previous prime is 225122523733. The next prime is 225122523781. The reversal of 225122523742 is 247325221522.

225122523742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×225122523742⁴ (a number of 47 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 943093 + ... + 1157440.

It is an arithmetic number, because the mean of its divisors is an integer number (21636550467).

Almost surely, 2^225122523742 is an apocalyptic number.

225122523742 is a deficient number, since it is larger than the sum of its proper divisors (121062283730).

225122523742 is a wasteful number, since it uses less digits than its factorization.

225122523742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101883.

The product of its digits is 134400, while the sum is 37.

The spelling of 225122523742 in words is "two hundred twenty-five billion, one hundred twenty-two million, five hundred twenty-three thousand, seven hundred forty-two".