228407029 has 4 divisors (see below), whose sum is σ = 229003776. Its totient is φ = 227810284.

The previous prime is 228407009. The next prime is 228407033. The reversal of 228407029 is 920704822.

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.

It is a cyclic number.

It is not a de Polignac number, because 228407029 - 2¹³ = 228398837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228406985 and 228407003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228407009) 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, 297799 + ... + 298564.

It is an arithmetic number, because the mean of its divisors is an integer number (57250944).

Almost surely, 2^228407029 is an apocalyptic number.

It is an amenable number.

228407029 is a deficient number, since it is larger than the sum of its proper divisors (596747).

228407029 is an equidigital number, since it uses as much as digits as its factorization.

228407029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596746.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 228407029 is about 15113.1409376079. The cubic root of 228407029 is about 611.2747944047.

The spelling of 228407029 in words is "two hundred twenty-eight million, four hundred seven thousand, twenty-nine".