28412223 has 8 divisors (see below), whose sum is σ = 43294848. Its totient is φ = 16235544.

The previous prime is 28412183. The next prime is 28412249. The reversal of 28412223 is 32221482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28412223 - 2⁶ = 28412159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28412193 and 28412202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28412273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676461 + ... + 676502.

It is an arithmetic number, because the mean of its divisors is an integer number (5411856).

Almost surely, 2^28412223 is an apocalyptic number.

28412223 is a deficient number, since it is larger than the sum of its proper divisors (14882625).

28412223 is a wasteful number, since it uses less digits than its factorization.

28412223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352973.

The product of its digits is 1536, while the sum is 24.

The square root of 28412223 is about 5330.3117169637. The cubic root of 28412223 is about 305.1418242148.

The spelling of 28412223 in words is "twenty-eight million, four hundred twelve thousand, two hundred twenty-three".