22489619 has 2 divisors, whose sum is σ = 22489620. Its totient is φ = 22489618.

The previous prime is 22489609. The next prime is 22489637. The reversal of 22489619 is 91698422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22489619 - 2⁴ = 22489603 is a prime.

It is a super-2 number, since 2×22489619² = 1011565925530322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22489609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11244809 + 11244810.

It is an arithmetic number, because the mean of its divisors is an integer number (11244810).

Almost surely, 2^22489619 is an apocalyptic number.

22489619 is a deficient number, since it is larger than the sum of its proper divisors (1).

22489619 is an equidigital number, since it uses as much as digits as its factorization.

22489619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 22489619 is about 4742.3221105277. The cubic root of 22489619 is about 282.2673846742.

The spelling of 22489619 in words is "twenty-two million, four hundred eighty-nine thousand, six hundred nineteen".