22473601 has 2 divisors, whose sum is σ = 22473602. Its totient is φ = 22473600.

The previous prime is 22473593. The next prime is 22473653. The reversal of 22473601 is 10637422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20295025 + 2178576 = 4505^2 + 1476^2 .

It is a cyclic number.

It is not a de Polignac number, because 22473601 - 2³ = 22473593 is a prime.

It is not a weakly prime, because it can be changed into another prime (22473901) 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, 11236800 + 11236801.

It is an arithmetic number, because the mean of its divisors is an integer number (11236801).

Almost surely, 2^22473601 is an apocalyptic number.

It is an amenable number.

22473601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22473601 is an equidigital number, since it uses as much as digits as its factorization.

22473601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22473601 is about 4740.6329746143. The cubic root of 22473601 is about 282.2003547432.

The spelling of 22473601 in words is "twenty-two million, four hundred seventy-three thousand, six hundred one".