229019157 has 10 divisors (see below), whose sum is σ = 342115158. Its totient is φ = 152679384.

The previous prime is 229019143. The next prime is 229019171. The reversal of 229019157 is 751910922.

229019157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (229019143) and next prime (229019171).

It can be written as a sum of positive squares in only one way, i.e., 207619281 + 21399876 = 14409^2 + 4626^2 .

It is not a de Polignac number, because 229019157 - 2¹¹ = 229017109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229019107) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1413618 + ... + 1413779.

Almost surely, 2^229019157 is an apocalyptic number.

229019157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

229019157 is a deficient number, since it is larger than the sum of its proper divisors (113096001).

229019157 is an equidigital number, since it uses as much as digits as its factorization.

229019157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827409 (or 2827400 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 229019157 is about 15133.3789022809. The cubic root of 229019157 is about 611.8203769279.

The spelling of 229019157 in words is "two hundred twenty-nine million, nineteen thousand, one hundred fifty-seven".