89141221 has 8 divisors (see below), whose sum is σ = 96375384. Its totient is φ = 81960960.

The previous prime is 89141219. The next prime is 89141237. The reversal of 89141221 is 12214198.

It can be written as a sum of positive squares in 4 ways, for example, as 1718721 + 87422500 = 1311^2 + 9350^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89141221 - 2¹ = 89141219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89141221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89141201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (12046923).

Almost surely, 2^89141221 is an apocalyptic number.

It is an amenable number.

89141221 is a deficient number, since it is larger than the sum of its proper divisors (7234163).

89141221 is a wasteful number, since it uses less digits than its factorization.

89141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26951.

The product of its digits is 1152, while the sum is 28.

The square root of 89141221 is about 9441.4628633491. The cubic root of 89141221 is about 446.7105329929.

The spelling of 89141221 in words is "eighty-nine million, one hundred forty-one thousand, two hundred twenty-one".