228901513425 has 144 divisors (see below), whose sum is σ = 432282600000. Its totient is φ = 106533273600.

The previous prime is 228901513391. The next prime is 228901513429. The reversal of 228901513425 is 524315109822.

It is not a de Polignac number, because 228901513425 - 2¹⁸ = 228901251281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228901513429) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 183267201 + ... + 183268449.

It is an arithmetic number, because the mean of its divisors is an integer number (3001962500).

Almost surely, 2^228901513425 is an apocalyptic number.

228901513425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228901513425 is a deficient number, since it is larger than the sum of its proper divisors (203381086575).

228901513425 is a wasteful number, since it uses less digits than its factorization.

228901513425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 228901513425 in words is "two hundred twenty-eight billion, nine hundred one million, five hundred thirteen thousand, four hundred twenty-five".