502225231745281 has 12 divisors (see below), whose sum is σ = 563778069192576. Its totient is φ = 446854171373720.

The previous prime is 502225231745273. The next prime is 502225231745309. The reversal of 502225231745281 is 182547132522205.

It is not a de Polignac number, because 502225231745281 - 2³ = 502225231745273 is a prime.

It is a super-2 number, since 2×502225231745281² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502225231245281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44155544845 + ... + 44155556218.

It is an arithmetic number, because the mean of its divisors is an integer number (46981505766048).

Almost surely, 2^{502225231745281} is an apocalyptic number.

It is an amenable number.

502225231745281 is a deficient number, since it is larger than the sum of its proper divisors (61552837447295).

502225231745281 is a wasteful number, since it uses less digits than its factorization.

502225231745281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88311101132 (or 88311101121 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 49.

The spelling of 502225231745281 in words is "five hundred two trillion, two hundred twenty-five billion, two hundred thirty-one million, seven hundred forty-five thousand, two hundred eighty-one".