22198453 has 2 divisors, whose sum is σ = 22198454. Its totient is φ = 22198452.

The previous prime is 22198411. The next prime is 22198459. The reversal of 22198453 is 35489122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20857489 + 1340964 = 4567^2 + 1158^2 .

It is a cyclic number.

It is not a de Polignac number, because 22198453 - 2⁹ = 22197941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22198459) 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, 11099226 + 11099227.

It is an arithmetic number, because the mean of its divisors is an integer number (11099227).

Almost surely, 2^22198453 is an apocalyptic number.

It is an amenable number.

22198453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22198453 is an equidigital number, since it uses as much as digits as its factorization.

22198453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 22198453 is about 4711.5234266636. The cubic root of 22198453 is about 281.0439473148.

The spelling of 22198453 in words is "twenty-two million, one hundred ninety-eight thousand, four hundred fifty-three".