28622327 has 8 divisors (see below), whose sum is σ = 30023136. Its totient is φ = 27234592.

The previous prime is 28622323. The next prime is 28622329. The reversal of 28622327 is 72322682.

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

It is a cyclic number.

It is not a de Polignac number, because 28622327 - 2² = 28622323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28622293 and 28622302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28622323) 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, 1373 + ... + 7689.

It is an arithmetic number, because the mean of its divisors is an integer number (3752892).

Almost surely, 2^28622327 is an apocalyptic number.

28622327 is a deficient number, since it is larger than the sum of its proper divisors (1400809).

28622327 is a wasteful number, since it uses less digits than its factorization.

28622327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6537.

The product of its digits is 16128, while the sum is 32.

The square root of 28622327 is about 5349.9838317513. The cubic root of 28622327 is about 305.8921366454.

The spelling of 28622327 in words is "twenty-eight million, six hundred twenty-two thousand, three hundred twenty-seven".