225106271520 has 96 divisors (see below), whose sum is σ = 763629757632. Its totient is φ = 55410772992.

The previous prime is 225106271503. The next prime is 225106271543. The reversal of 225106271520 is 25172601522.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×225106271520² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18031122 + ... + 18043601.

It is an arithmetic number, because the mean of its divisors is an integer number (7954476642).

Almost surely, 2^225106271520 is an apocalyptic number.

225106271520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225106271520 is an abundant number, since it is smaller than the sum of its proper divisors (538523486112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225106271520 is a wasteful number, since it uses less digits than its factorization.

225106271520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36074754 (or 36074746 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 225106271520 in words is "two hundred twenty-five billion, one hundred six million, two hundred seventy-one thousand, five hundred twenty".