28600223 has 16 divisors (see below), whose sum is σ = 30387840. Its totient is φ = 26886816.

The previous prime is 28600213. The next prime is 28600241. The reversal of 28600223 is 32200682.

It is a cyclic number.

It is not a de Polignac number, because 28600223 - 2⁴ = 28600207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28600213) 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, 205688 + ... + 205826.

It is an arithmetic number, because the mean of its divisors is an integer number (1899240).

Almost surely, 2^28600223 is an apocalyptic number.

28600223 is a deficient number, since it is larger than the sum of its proper divisors (1787617).

28600223 is a wasteful number, since it uses less digits than its factorization.

28600223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 28600223 is about 5347.9176321256. The cubic root of 28600223 is about 305.8133731790.

The spelling of 28600223 in words is "twenty-eight million, six hundred thousand, two hundred twenty-three".