22989403 has 2 divisors, whose sum is σ = 22989404. Its totient is φ = 22989402.

The previous prime is 22989401. The next prime is 22989419. The reversal of 22989403 is 30498922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22989403 - 2¹ = 22989401 is a prime.

Together with 22989401, it forms a pair of twin primes.

It is equal to p_1447588 and since 22989403 and 1447588 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22989401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494701 + 11494702.

It is an arithmetic number, because the mean of its divisors is an integer number (11494702).

Almost surely, 2^22989403 is an apocalyptic number.

22989403 is a deficient number, since it is larger than the sum of its proper divisors (1).

22989403 is an equidigital number, since it uses as much as digits as its factorization.

22989403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 22989403 is about 4794.7265824028. The cubic root of 22989403 is about 284.3430152490.

The spelling of 22989403 in words is "twenty-two million, nine hundred eighty-nine thousand, four hundred three".