22803481 has 2 divisors, whose sum is σ = 22803482. Its totient is φ = 22803480.

The previous prime is 22803467. The next prime is 22803499. The reversal of 22803481 is 18430822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 6843456 = 3995^2 + 2616^2 .

It is a cyclic number.

It is not a de Polignac number, because 22803481 - 2⁵ = 22803449 is a prime.

It is a super-2 number, since 2×22803481² = 1039997491434722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22803461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11401740 + 11401741.

It is an arithmetic number, because the mean of its divisors is an integer number (11401741).

Almost surely, 2^22803481 is an apocalyptic number.

It is an amenable number.

22803481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22803481 is an equidigital number, since it uses as much as digits as its factorization.

22803481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 22803481 is about 4775.2990482272. The cubic root of 22803481 is about 283.5744179510.

The spelling of 22803481 in words is "twenty-two million, eight hundred three thousand, four hundred eighty-one".