22026919 has 2 divisors, whose sum is σ = 22026920. Its totient is φ = 22026918.

The previous prime is 22026911. The next prime is 22026937. The reversal of 22026919 is 91962022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22026919 - 2³ = 22026911 is a prime.

It is a super-2 number, since 2×22026919² = 970370321265122, which contains 22 as substring.

It is equal to p_1390864 and since 22026919 and 1390864 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22026911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11013459 + 11013460.

It is an arithmetic number, because the mean of its divisors is an integer number (11013460).

Almost surely, 2^22026919 is an apocalyptic number.

22026919 is a deficient number, since it is larger than the sum of its proper divisors (1).

22026919 is an equidigital number, since it uses as much as digits as its factorization.

22026919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 22026919 is about 4693.2844576054. The cubic root of 22026919 is about 280.3181714796.

The spelling of 22026919 in words is "twenty-two million, twenty-six thousand, nine hundred nineteen".