28622248 has 16 divisors (see below), whose sum is σ = 54809280. Its totient is φ = 14006448.

The previous prime is 28622239. The next prime is 28622249. The reversal of 28622248 is 84222682.

It is not an unprimeable number, because it can be changed into a prime (28622249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37686 + ... + 38437.

It is an arithmetic number, because the mean of its divisors is an integer number (3425580).

Almost surely, 2^28622248 is an apocalyptic number.

It is an amenable number.

28622248 is a deficient number, since it is larger than the sum of its proper divisors (26187032).

28622248 is a wasteful number, since it uses less digits than its factorization.

28622248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76176 (or 76172 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 28622248 is about 5349.9764485463. The cubic root of 28622248 is about 305.8918552159.

The spelling of 28622248 in words is "twenty-eight million, six hundred twenty-two thousand, two hundred forty-eight".