229287401 has 4 divisors (see below), whose sum is σ = 262042752. Its totient is φ = 196532052.

The previous prime is 229287371. The next prime is 229287403. The reversal of 229287401 is 104782922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104782922 = 2 ⋅52391461.

It is a cyclic number.

It is not a de Polignac number, because 229287401 - 2¹⁰ = 229286377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229287403) 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, 16377665 + ... + 16377678.

It is an arithmetic number, because the mean of its divisors is an integer number (65510688).

Almost surely, 2^229287401 is an apocalyptic number.

It is an amenable number.

229287401 is a deficient number, since it is larger than the sum of its proper divisors (32755351).

229287401 is an equidigital number, since it uses as much as digits as its factorization.

229287401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32755350.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 229287401 is about 15142.2389691881. The cubic root of 229287401 is about 612.0591533308.

The spelling of 229287401 in words is "two hundred twenty-nine million, two hundred eighty-seven thousand, four hundred one".