28922519 has 2 divisors, whose sum is σ = 28922520. Its totient is φ = 28922518.

The previous prime is 28922513. The next prime is 28922521. The reversal of 28922519 is 91522982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28922519 - 2¹⁶ = 28856983 is a prime.

It is a super-2 number, since 2×28922519² = 1673024210610722, which contains 22 as substring.

Together with 28922521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28922513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14461259 + 14461260.

It is an arithmetic number, because the mean of its divisors is an integer number (14461260).

Almost surely, 2^28922519 is an apocalyptic number.

28922519 is a deficient number, since it is larger than the sum of its proper divisors (1).

28922519 is an equidigital number, since it uses as much as digits as its factorization.

28922519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 28922519 is about 5377.9660653448. The cubic root of 28922519 is about 306.9578222285.

The spelling of 28922519 in words is "twenty-eight million, nine hundred twenty-two thousand, five hundred nineteen".