28622068 has 6 divisors (see below), whose sum is σ = 50088626. Its totient is φ = 14311032.

The previous prime is 28622057. The next prime is 28622071. The reversal of 28622068 is 86022682.

It can be written as a sum of positive squares in only one way, i.e., 28430224 + 191844 = 5332^2 + 438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3577755 + ... + 3577762.

Almost surely, 2^28622068 is an apocalyptic number.

It is an amenable number.

28622068 is a deficient number, since it is larger than the sum of its proper divisors (21466558).

28622068 is a wasteful number, since it uses less digits than its factorization.

28622068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155521 (or 7155519 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 28622068 is about 5349.9596260159. The cubic root of 28622068 is about 305.8912139822.

The spelling of 28622068 in words is "twenty-eight million, six hundred twenty-two thousand, sixty-eight".