22073453 has 2 divisors, whose sum is σ = 22073454. Its totient is φ = 22073452.

The previous prime is 22073419. The next prime is 22073477. The reversal of 22073453 is 35437022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20232004 + 1841449 = 4498^2 + 1357^2 .

It is a cyclic number.

It is not a de Polignac number, because 22073453 - 2⁸ = 22073197 is a prime.

It is equal to p_1393640 and since 22073453 and 1393640 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 (22073413) 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, 11036726 + 11036727.

It is an arithmetic number, because the mean of its divisors is an integer number (11036727).

Almost surely, 2^22073453 is an apocalyptic number.

It is an amenable number.

22073453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22073453 is an equidigital number, since it uses as much as digits as its factorization.

22073453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 22073453 is about 4698.2393510761. The cubic root of 22073453 is about 280.5154323971.

The spelling of 22073453 in words is "twenty-two million, seventy-three thousand, four hundred fifty-three".