22870481 has 2 divisors, whose sum is σ = 22870482. Its totient is φ = 22870480.

The previous prime is 22870451. The next prime is 22870493. The reversal of 22870481 is 18407822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17305600 + 5564881 = 4160^2 + 2359^2 .

It is a cyclic number.

It is not a de Polignac number, because 22870481 - 2¹⁸ = 22608337 is a prime.

It is a super-2 number, since 2×22870481² = 1046117802342722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22870411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11435240 + 11435241.

It is an arithmetic number, because the mean of its divisors is an integer number (11435241).

Almost surely, 2^22870481 is an apocalyptic number.

It is an amenable number.

22870481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22870481 is an equidigital number, since it uses as much as digits as its factorization.

22870481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 22870481 is about 4782.3091702649. The cubic root of 22870481 is about 283.8518742533.

The spelling of 22870481 in words is "twenty-two million, eight hundred seventy thousand, four hundred eighty-one".