228351427 has 16 divisors (see below), whose sum is σ = 240694272. Its totient is φ = 216406080.

The previous prime is 228351421. The next prime is 228351433. The reversal of 228351427 is 724153822.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (228351421) and next prime (228351433).

It is a cyclic number.

It is not a de Polignac number, because 228351427 - 2³ = 228351419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228351392 and 228351401.

It is not an unprimeable number, because it can be changed into a prime (228351421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313738 + ... + 314464.

It is an arithmetic number, because the mean of its divisors is an integer number (15043392).

Almost surely, 2^228351427 is an apocalyptic number.

228351427 is a deficient number, since it is larger than the sum of its proper divisors (12342845).

228351427 is a wasteful number, since it uses less digits than its factorization.

228351427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its digits is 26880, while the sum is 34.

The square root of 228351427 is about 15111.3013006822. The cubic root of 228351427 is about 611.2251887225.

The spelling of 228351427 in words is "two hundred twenty-eight million, three hundred fifty-one thousand, four hundred twenty-seven".