228145467 has 16 divisors (see below), whose sum is σ = 334467072. Its totient is φ = 137178720.

The previous prime is 228145459. The next prime is 228145469. The reversal of 228145467 is 764541822.

It is not a de Polignac number, because 228145467 - 2³ = 228145459 is a prime.

It is a super-2 number, since 2×228145467² = 104100708225296178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228145469) 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, 23028 + ... + 31409.

It is an arithmetic number, because the mean of its divisors is an integer number (20904192).

Almost surely, 2^228145467 is an apocalyptic number.

228145467 is a deficient number, since it is larger than the sum of its proper divisors (106321605).

228145467 is a wasteful number, since it uses less digits than its factorization.

228145467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54578.

The product of its digits is 107520, while the sum is 39.

The square root of 228145467 is about 15104.4849961857. The cubic root of 228145467 is about 611.0413699942.

The spelling of 228145467 in words is "two hundred twenty-eight million, one hundred forty-five thousand, four hundred sixty-seven".