22052473 has 2 divisors, whose sum is σ = 22052474. Its totient is φ = 22052472.

The previous prime is 22052467. The next prime is 22052477. The reversal of 22052473 is 37425022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 28224 = 4693^2 + 168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22052473 is a prime.

It is not a weakly prime, because it can be changed into another prime (22052477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026236 + 11026237.

It is an arithmetic number, because the mean of its divisors is an integer number (11026237).

Almost surely, 2^22052473 is an apocalyptic number.

It is an amenable number.

22052473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052473 is an equidigital number, since it uses as much as digits as its factorization.

22052473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22052473 is about 4696.0060689910. The cubic root of 22052473 is about 280.4265310470.

Adding to 22052473 its reverse (37425022), we get a palindrome (59477495).

The spelling of 22052473 in words is "twenty-two million, fifty-two thousand, four hundred seventy-three".