1032231221 has 16 divisors (see below), whose sum is σ = 1244812800. Its totient is φ = 836157168.

The previous prime is 1032231209. The next prime is 1032231227. The reversal of 1032231221 is 1221322301.

It is not a de Polignac number, because 1032231221 - 2¹⁰ = 1032230197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1032231221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032231227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46466 + ... + 64988.

It is an arithmetic number, because the mean of its divisors is an integer number (77800800).

Almost surely, 2^1032231221 is an apocalyptic number.

It is an amenable number.

1032231221 is a deficient number, since it is larger than the sum of its proper divisors (212581579).

1032231221 is a wasteful number, since it uses less digits than its factorization.

1032231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18968.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1032231221 is about 32128.3554045332. The cubic root of 1032231221 is about 1010.6303358690.

Adding to 1032231221 its reverse (1221322301), we get a palindrome (2253553522).

The spelling of 1032231221 in words is "one billion, thirty-two million, two hundred thirty-one thousand, two hundred twenty-one".