22963819 has 2 divisors, whose sum is σ = 22963820. Its totient is φ = 22963818.

The previous prime is 22963817. The next prime is 22963823. The reversal of 22963819 is 91836922.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22963819 - 2¹ = 22963817 is a prime.

It is a super-2 number, since 2×22963819² = 1054673966129522, which contains 22 as substring.

Together with 22963817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22963817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11481909 + 11481910.

It is an arithmetic number, because the mean of its divisors is an integer number (11481910).

Almost surely, 2^22963819 is an apocalyptic number.

22963819 is a deficient number, since it is larger than the sum of its proper divisors (1).

22963819 is an equidigital number, since it uses as much as digits as its factorization.

22963819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 22963819 is about 4792.0579086651. The cubic root of 22963819 is about 284.2374980546.

The spelling of 22963819 in words is "twenty-two million, nine hundred sixty-three thousand, eight hundred nineteen".