224432881 has 2 divisors, whose sum is σ = 224432882. Its totient is φ = 224432880.

The previous prime is 224432869. The next prime is 224432903. The reversal of 224432881 is 188234422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219632400 + 4800481 = 14820^2 + 2191^2 .

It is a cyclic number.

It is not a de Polignac number, because 224432881 - 2⁷ = 224432753 is a prime.

It is a super-2 number, since 2×224432881² = 100740236147920322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224432801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112216440 + 112216441.

It is an arithmetic number, because the mean of its divisors is an integer number (112216441).

Almost surely, 2^224432881 is an apocalyptic number.

It is an amenable number.

224432881 is a deficient number, since it is larger than the sum of its proper divisors (1).

224432881 is an equidigital number, since it uses as much as digits as its factorization.

224432881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 34.

The square root of 224432881 is about 14981.0841062988. The cubic root of 224432881 is about 607.7087574202.

The spelling of 224432881 in words is "two hundred twenty-four million, four hundred thirty-two thousand, eight hundred eighty-one".