22530619 has 2 divisors, whose sum is σ = 22530620. Its totient is φ = 22530618.

The previous prime is 22530601. The next prime is 22530653. The reversal of 22530619 is 91603522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22530619 - 2⁵ = 22530587 is a prime.

It is a super-2 number, since 2×22530619² = 1015257585046322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22540619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265309 + 11265310.

It is an arithmetic number, because the mean of its divisors is an integer number (11265310).

Almost surely, 2^22530619 is an apocalyptic number.

22530619 is a deficient number, since it is larger than the sum of its proper divisors (1).

22530619 is an equidigital number, since it uses as much as digits as its factorization.

22530619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22530619 is about 4746.6429189481. The cubic root of 22530619 is about 282.4388109833.

The spelling of 22530619 in words is "twenty-two million, five hundred thirty thousand, six hundred nineteen".