229425897157 has 16 divisors (see below), whose sum is σ = 241587157680. Its totient is φ = 217573171200.

The previous prime is 229425897143. The next prime is 229425897167. The reversal of 229425897157 is 751798524922.

It can be written as a sum of positive squares in 8 ways, for example, as 6163977121 + 223261920036 = 78511^2 + 472506^2 .

It is not a de Polignac number, because 229425897157 - 2³⁵ = 195066158789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229425897095 and 229425897104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229425897167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285357 + ... + 735037.

It is an arithmetic number, because the mean of its divisors is an integer number (15099197355).

Almost surely, 2^229425897157 is an apocalyptic number.

It is an amenable number.

229425897157 is a deficient number, since it is larger than the sum of its proper divisors (12161260523).

229425897157 is a wasteful number, since it uses less digits than its factorization.

229425897157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450024.

The product of its digits is 25401600, while the sum is 61.

The spelling of 229425897157 in words is "two hundred twenty-nine billion, four hundred twenty-five million, eight hundred ninety-seven thousand, one hundred fifty-seven".