428414229 has 24 divisors (see below), whose sum is σ = 656547840. Its totient is φ = 268265088.

The previous prime is 428414201. The next prime is 428414243. The reversal of 428414229 is 922414824.

428414229 is a `hidden beast` number, since 428 + 4 + 1 + 4 + 229 = 666.

It is not a de Polignac number, because 428414229 - 2⁷ = 428414101 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 428414193 and 428414202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428414429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81132 + ... + 86250.

It is an arithmetic number, because the mean of its divisors is an integer number (27356160).

Almost surely, 2^428414229 is an apocalyptic number.

It is an amenable number.

428414229 is a deficient number, since it is larger than the sum of its proper divisors (228133611).

428414229 is a wasteful number, since it uses less digits than its factorization.

428414229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5686 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 428414229 is about 20698.1697016910. The cubic root of 428414229 is about 753.8552474669.

The spelling of 428414229 in words is "four hundred twenty-eight million, four hundred fourteen thousand, two hundred twenty-nine".