88221283669 has 2 divisors, whose sum is σ = 88221283670. Its totient is φ = 88221283668.

The previous prime is 88221283663. The next prime is 88221283673. The reversal of 88221283669 is 96638212288.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80593532100 + 7627751569 = 283890^2 + 87337^2 .

It is a cyclic number.

It is not a de Polignac number, because 88221283669 - 2⁷ = 88221283541 is a prime.

It is a super-2 number, since 2×88221283669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88221283663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44110641834 + 44110641835.

It is an arithmetic number, because the mean of its divisors is an integer number (44110641835).

Almost surely, 2^88221283669 is an apocalyptic number.

It is an amenable number.

88221283669 is a deficient number, since it is larger than the sum of its proper divisors (1).

88221283669 is an equidigital number, since it uses as much as digits as its factorization.

88221283669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 55.

The spelling of 88221283669 in words is "eighty-eight billion, two hundred twenty-one million, two hundred eighty-three thousand, six hundred sixty-nine".