22653019 has 2 divisors, whose sum is σ = 22653020. Its totient is φ = 22653018.

The previous prime is 22653017. The next prime is 22653023. The reversal of 22653019 is 91035622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22653019 - 2¹ = 22653017 is a prime.

It is a super-2 number, since 2×22653019² = 1026318539628722, which contains 22 as substring.

Together with 22653017, it forms a pair of twin primes.

It is equal to p_1427725 and since 22653019 and 1427725 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 (22653017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11326509 + 11326510.

It is an arithmetic number, because the mean of its divisors is an integer number (11326510).

Almost surely, 2^22653019 is an apocalyptic number.

22653019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22653019 is an equidigital number, since it uses as much as digits as its factorization.

22653019 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 22653019 is about 4759.5187781960. The cubic root of 22653019 is about 282.9493472755.

The spelling of 22653019 in words is "twenty-two million, six hundred fifty-three thousand, nineteen".