28062244 has 24 divisors (see below), whose sum is σ = 56685888. Its totient is φ = 11906400.

The previous prime is 28062239. The next prime is 28062271. The reversal of 28062244 is 44226082.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2134 + ... + 7789.

It is an arithmetic number, because the mean of its divisors is an integer number (2361912).

Almost surely, 2^28062244 is an apocalyptic number.

It is an amenable number.

28062244 is an abundant number, since it is smaller than the sum of its proper divisors (28623644).

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

28062244 is a wasteful number, since it uses less digits than its factorization.

28062244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035 (or 10033 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 28062244 is about 5297.3808622752. The cubic root of 28062244 is about 303.8837419027.

It can be divided in two parts, 2806 and 2244, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 28062244 in words is "twenty-eight million, sixty-two thousand, two hundred forty-four".