28122348 has 12 divisors (see below), whose sum is σ = 65618840. Its totient is φ = 9374112.

The previous prime is 28122323. The next prime is 28122389. The reversal of 28122348 is 84322182.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171753 + ... + 1171776.

Almost surely, 2^28122348 is an apocalyptic number.

It is an amenable number.

28122348 is an abundant number, since it is smaller than the sum of its proper divisors (37496492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28122348 is a wasteful number, since it uses less digits than its factorization.

28122348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343536 (or 2343534 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 28122348 is about 5303.0508200469. The cubic root of 28122348 is about 304.1005409599.

The spelling of 28122348 in words is "twenty-eight million, one hundred twenty-two thousand, three hundred forty-eight".