88226209 has 6 divisors (see below), whose sum is σ = 93721574. Its totient is φ = 83036160.

The previous prime is 88226197. The next prime is 88226213. The reversal of 88226209 is 90262288.

It can be written as a sum of positive squares in 3 ways, for example, as 11751184 + 76475025 = 3428^2 + 8745^2 .

It is not a de Polignac number, because 88226209 - 2⁷ = 88226081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88226009) 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 in 5 ways as a sum of consecutive naturals, for example, 152352 + ... + 152929.

Almost surely, 2^88226209 is an apocalyptic number.

It is an amenable number.

88226209 is a deficient number, since it is larger than the sum of its proper divisors (5495365).

88226209 is a wasteful number, since it uses less digits than its factorization.

88226209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305315 (or 305298 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 88226209 is about 9392.8807615129. The cubic root of 88226209 is about 445.1768164911.

The spelling of 88226209 in words is "eighty-eight million, two hundred twenty-six thousand, two hundred nine".