228197673 has 12 divisors (see below), whose sum is σ = 359584368. Its totient is φ = 138301560.

The previous prime is 228197639. The next prime is 228197707. The reversal of 228197673 is 376791822.

It is an interprime number because it is at equal distance from previous prime (228197639) and next prime (228197707).

It is not a de Polignac number, because 228197673 - 2²¹ = 226100521 is a prime.

It is a super-2 number, since 2×228197673² = 104148355925229858, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (228197573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1152415 + ... + 1152612.

It is an arithmetic number, because the mean of its divisors is an integer number (29965364).

Almost surely, 2^228197673 is an apocalyptic number.

It is an amenable number.

228197673 is a deficient number, since it is larger than the sum of its proper divisors (131386695).

228197673 is a wasteful number, since it uses less digits than its factorization.

228197673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305044 (or 2305041 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 228197673 is about 15106.2130595328. The cubic root of 228197673 is about 611.0879741678.

The spelling of 228197673 in words is "two hundred twenty-eight million, one hundred ninety-seven thousand, six hundred seventy-three".