22448473 has 2 divisors, whose sum is σ = 22448474. Its totient is φ = 22448472.

The previous prime is 22448453. The next prime is 22448477. The reversal of 22448473 is 37484422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13520329 + 8928144 = 3677^2 + 2988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22448473 is a prime.

It is not a weakly prime, because it can be changed into another prime (22448477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11224236 + 11224237.

It is an arithmetic number, because the mean of its divisors is an integer number (11224237).

Almost surely, 2^22448473 is an apocalyptic number.

It is an amenable number.

22448473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22448473 is an equidigital number, since it uses as much as digits as its factorization.

22448473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 34.

The square root of 22448473 is about 4737.9819543768. The cubic root of 22448473 is about 282.0951383303.

The spelling of 22448473 in words is "twenty-two million, four hundred forty-eight thousand, four hundred seventy-three".