1088236221 has 8 divisors (see below), whose sum is σ = 1451671680. Its totient is φ = 725145792.

The previous prime is 1088236213. The next prime is 1088236243. The reversal of 1088236221 is 1226328801.

1088236221 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1088236221 - 2³ = 1088236213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088236021) 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, 78805 + ... + 91578.

It is an arithmetic number, because the mean of its divisors is an integer number (181458960).

Almost surely, 2^1088236221 is an apocalyptic number.

It is an amenable number.

1088236221 is a deficient number, since it is larger than the sum of its proper divisors (363435459).

1088236221 is a wasteful number, since it uses less digits than its factorization.

1088236221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172515.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1088236221 is about 32988.4255610964. The cubic root of 1088236221 is about 1028.5870660128.

The spelling of 1088236221 in words is "one billion, eighty-eight million, two hundred thirty-six thousand, two hundred twenty-one".