22470473 has 2 divisors, whose sum is σ = 22470474. Its totient is φ = 22470472.

The previous prime is 22470439. The next prime is 22470479. The reversal of 22470473 is 37407422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 446224 = 4693^2 + 668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22470473 is a prime.

It is a super-3 number, since 3×22470473³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22470479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11235236 + 11235237.

It is an arithmetic number, because the mean of its divisors is an integer number (11235237).

Almost surely, 2^22470473 is an apocalyptic number.

It is an amenable number.

22470473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22470473 is an equidigital number, since it uses as much as digits as its factorization.

22470473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 22470473 is about 4740.3030493841. The cubic root of 22470473 is about 282.1872614007.

Adding to 22470473 its reverse (37407422), we get a palindrome (59877895).

The spelling of 22470473 in words is "twenty-two million, four hundred seventy thousand, four hundred seventy-three".