88622861 has 2 divisors, whose sum is σ = 88622862. Its totient is φ = 88622860.

The previous prime is 88622851. The next prime is 88622909. The reversal of 88622861 is 16822688.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45981961 + 42640900 = 6781^2 + 6530^2 .

It is a cyclic number.

It is not a de Polignac number, because 88622861 - 2⁶ = 88622797 is a prime.

It is a super-2 number, since 2×88622861² = 15708022983650642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88622801) 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, 44311430 + 44311431.

It is an arithmetic number, because the mean of its divisors is an integer number (44311431).

Almost surely, 2^88622861 is an apocalyptic number.

It is an amenable number.

88622861 is a deficient number, since it is larger than the sum of its proper divisors (1).

88622861 is an equidigital number, since it uses as much as digits as its factorization.

88622861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 41.

The square root of 88622861 is about 9413.9715848307. The cubic root of 88622861 is about 445.8429689089.

The spelling of 88622861 in words is "eighty-eight million, six hundred twenty-two thousand, eight hundred sixty-one".