22698019 has 2 divisors, whose sum is σ = 22698020. Its totient is φ = 22698018.

The previous prime is 22697999. The next prime is 22698029. The reversal of 22698019 is 91089622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22698019 - 2⁷ = 22697891 is a prime.

It is a super-2 number, since 2×22698019² = 1030400133048722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22698029) 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, 11349009 + 11349010.

It is an arithmetic number, because the mean of its divisors is an integer number (11349010).

Almost surely, 2^22698019 is an apocalyptic number.

22698019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22698019 is an equidigital number, since it uses as much as digits as its factorization.

22698019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 22698019 is about 4764.2438014862. The cubic root of 22698019 is about 283.1365820510.

The spelling of 22698019 in words is "twenty-two million, six hundred ninety-eight thousand, nineteen".