22862881 has 2 divisors, whose sum is σ = 22862882. Its totient is φ = 22862880.

The previous prime is 22862863. The next prime is 22862893. The reversal of 22862881 is 18826822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11840481 + 11022400 = 3441^2 + 3320^2 .

It is a cyclic number.

It is not a de Polignac number, because 22862881 - 2⁵ = 22862849 is a prime.

It is a super-2 number, since 2×22862881² = 1045422655240322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22862881.

It is not a weakly prime, because it can be changed into another prime (22862381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11431440 + 11431441.

It is an arithmetic number, because the mean of its divisors is an integer number (11431441).

Almost surely, 2^22862881 is an apocalyptic number.

It is an amenable number.

22862881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22862881 is an equidigital number, since it uses as much as digits as its factorization.

22862881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 37.

The square root of 22862881 is about 4781.5145090233. The cubic root of 22862881 is about 283.8204288682.

The spelling of 22862881 in words is "twenty-two million, eight hundred sixty-two thousand, eight hundred eighty-one".