28226767 has 2 divisors, whose sum is σ = 28226768. Its totient is φ = 28226766.

The previous prime is 28226753. The next prime is 28226777. The reversal of 28226767 is 76762282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28226767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28226777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14113383 + 14113384.

It is an arithmetic number, because the mean of its divisors is an integer number (14113384).

Almost surely, 2^28226767 is an apocalyptic number.

28226767 is a deficient number, since it is larger than the sum of its proper divisors (1).

28226767 is an equidigital number, since it uses as much as digits as its factorization.

28226767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 28226767 is about 5312.8868800305. The cubic root of 28226767 is about 304.4764537899.

The spelling of 28226767 in words is "twenty-eight million, two hundred twenty-six thousand, seven hundred sixty-seven".