22253519 has 2 divisors, whose sum is σ = 22253520. Its totient is φ = 22253518.

The previous prime is 22253501. The next prime is 22253521. The reversal of 22253519 is 91535222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22253519 - 2⁸ = 22253263 is a prime.

It is a super-2 number, since 2×22253519² = 990438215766722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 22253521, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22253491 and 22253500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22253599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11126759 + 11126760.

It is an arithmetic number, because the mean of its divisors is an integer number (11126760).

Almost surely, 2^22253519 is an apocalyptic number.

22253519 is a deficient number, since it is larger than the sum of its proper divisors (1).

22253519 is an equidigital number, since it uses as much as digits as its factorization.

22253519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 22253519 is about 4717.3635645347. The cubic root of 22253519 is about 281.2761434792.

The spelling of 22253519 in words is "twenty-two million, two hundred fifty-three thousand, five hundred nineteen".