4521222254452 has 12 divisors (see below), whose sum is σ = 7912203834276. Its totient is φ = 2260592587520.

The previous prime is 4521222254441. The next prime is 4521222254509. The reversal of 4521222254452 is 2544522221254.

It can be written as a sum of positive squares in 2 ways, for example, as 3768901945956 + 752320308496 = 1941366^2 + 867364^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078813 + ... + 5067460.

It is an arithmetic number, because the mean of its divisors is an integer number (659350319523).

Almost surely, 2^{4521222254452} is an apocalyptic number.

It is an amenable number.

4521222254452 is a deficient number, since it is larger than the sum of its proper divisors (3390981579824).

4521222254452 is a wasteful number, since it uses less digits than its factorization.

4521222254452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269858 (or 9269856 counting only the distinct ones).

The product of its digits is 512000, while the sum is 40.

The spelling of 4521222254452 in words is "four trillion, five hundred twenty-one billion, two hundred twenty-two million, two hundred fifty-four thousand, four hundred fifty-two".