22073501 has 2 divisors, whose sum is σ = 22073502. Its totient is φ = 22073500.

The previous prime is 22073483. The next prime is 22073507. The reversal of 22073501 is 10537022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17347225 + 4726276 = 4165^2 + 2174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22073501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22073507) 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, 11036750 + 11036751.

It is an arithmetic number, because the mean of its divisors is an integer number (11036751).

Almost surely, 2^22073501 is an apocalyptic number.

It is an amenable number.

22073501 is a deficient number, since it is larger than the sum of its proper divisors (1).

22073501 is an equidigital number, since it uses as much as digits as its factorization.

22073501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 22073501 is about 4698.2444593699. The cubic root of 22073501 is about 280.5156357293.

The spelling of 22073501 in words is "twenty-two million, seventy-three thousand, five hundred one".