89701221 has 4 divisors (see below), whose sum is σ = 119601632. Its totient is φ = 59800812.

The previous prime is 89701217. The next prime is 89701237. The reversal of 89701221 is 12210798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89701221 - 2² = 89701217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89701201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14950201 + ... + 14950206.

It is an arithmetic number, because the mean of its divisors is an integer number (29900408).

Almost surely, 2^89701221 is an apocalyptic number.

It is an amenable number.

89701221 is a deficient number, since it is larger than the sum of its proper divisors (29900411).

89701221 is a wasteful number, since it uses less digits than its factorization.

89701221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29900410.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 89701221 is about 9471.0728536951. The cubic root of 89701221 is about 447.6440176060.

The spelling of 89701221 in words is "eighty-nine million, seven hundred one thousand, two hundred twenty-one".