228214146 has 32 divisors (see below), whose sum is σ = 462672000. Its totient is φ = 75036800.

The previous prime is 228214139. The next prime is 228214153. The reversal of 228214146 is 641412822.

It is an interprime number because it is at equal distance from previous prime (228214139) and next prime (228214153).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217030 + ... + 218078.

It is an arithmetic number, because the mean of its divisors is an integer number (14458500).

Almost surely, 2^228214146 is an apocalyptic number.

228214146 is an abundant number, since it is smaller than the sum of its proper divisors (234457854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228214146 is a wasteful number, since it uses less digits than its factorization.

228214146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514.

The product of its digits is 6144, while the sum is 30.

The square root of 228214146 is about 15106.7582889249. The cubic root of 228214146 is about 611.1026781010.

Adding to 228214146 its reverse (641412822), we get a palindrome (869626968).

The spelling of 228214146 in words is "two hundred twenty-eight million, two hundred fourteen thousand, one hundred forty-six".