87223201 has 8 divisors (see below), whose sum is σ = 94161704. Its totient is φ = 80317440.

The previous prime is 87223183. The next prime is 87223207. The reversal of 87223201 is 10232278.

It can be written as a sum of positive squares in 4 ways, for example, as 286225 + 86936976 = 535^2 + 9324^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87223201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87223207) 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, 2496 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (11770213).

Almost surely, 2^87223201 is an apocalyptic number.

It is an amenable number.

87223201 is a deficient number, since it is larger than the sum of its proper divisors (6938503).

87223201 is a wasteful number, since it uses less digits than its factorization.

87223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 87223201 is about 9339.3362183830. The cubic root of 87223201 is about 443.4833712430.

Adding to 87223201 its reverse (10232278), we get a palindrome (97455479).

The spelling of 87223201 in words is "eighty-seven million, two hundred twenty-three thousand, two hundred one".