229293457 has 4 divisors (see below), whose sum is σ = 230481700. Its totient is φ = 228105216.

The previous prime is 229293437. The next prime is 229293461. The reversal of 229293457 is 754392922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754392922 = 2 ⋅377196461.

It can be written as a sum of positive squares in 2 ways, for example, as 124456336 + 104837121 = 11156^2 + 10239^2 .

It is a cyclic number.

It is not a de Polignac number, because 229293457 - 2¹⁹ = 228769169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229293437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593832 + ... + 594217.

It is an arithmetic number, because the mean of its divisors is an integer number (57620425).

Almost surely, 2^229293457 is an apocalyptic number.

It is an amenable number.

229293457 is a deficient number, since it is larger than the sum of its proper divisors (1188243).

229293457 is a wasteful number, since it uses less digits than its factorization.

229293457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188242.

The product of its digits is 272160, while the sum is 43.

The square root of 229293457 is about 15142.4389382952. The cubic root of 229293457 is about 612.0645419066.

The spelling of 229293457 in words is "two hundred twenty-nine million, two hundred ninety-three thousand, four hundred fifty-seven".