88224869 has 2 divisors, whose sum is σ = 88224870. Its totient is φ = 88224868.

The previous prime is 88224841. The next prime is 88224881. The reversal of 88224869 is 96842288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78552769 + 9672100 = 8863^2 + 3110^2 .

It is a cyclic number.

It is not a de Polignac number, because 88224869 - 2²⁰ = 87176293 is a prime.

It is a super-2 number, since 2×88224869² = 15567255020134322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88224889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44112434 + 44112435.

It is an arithmetic number, because the mean of its divisors is an integer number (44112435).

Almost surely, 2^88224869 is an apocalyptic number.

It is an amenable number.

88224869 is a deficient number, since it is larger than the sum of its proper divisors (1).

88224869 is an equidigital number, since it uses as much as digits as its factorization.

88224869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 47.

The square root of 88224869 is about 9392.8094306230. The cubic root of 88224869 is about 445.1745626636.

The spelling of 88224869 in words is "eighty-eight million, two hundred twenty-four thousand, eight hundred sixty-nine".