89221012 has 12 divisors (see below), whose sum is σ = 156302496. Its totient is φ = 44563160.

The previous prime is 89221009. The next prime is 89221031. The reversal of 89221012 is 21012298.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7414 + ... + 15277.

It is an arithmetic number, because the mean of its divisors is an integer number (13025208).

Almost surely, 2^89221012 is an apocalyptic number.

It is an amenable number.

89221012 is a deficient number, since it is larger than the sum of its proper divisors (67081484).

89221012 is a wasteful number, since it uses less digits than its factorization.

89221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23678 (or 23676 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 89221012 is about 9445.6874815971. The cubic root of 89221012 is about 446.8437779350.

It can be divided in two parts, 892 and 21012, that added together give a square (21904 = 148²).

The spelling of 89221012 in words is "eighty-nine million, two hundred twenty-one thousand, twelve".