1022001232 has 30 divisors (see below), whose sum is σ = 2303415258. Its totient is φ = 438000192.

The previous prime is 1022001187. The next prime is 1022001289. The reversal of 1022001232 is 2321002201.

It can be written as a sum of positive squares in only one way, i.e., 945193536 + 76807696 = 30744^2 + 8764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 651003 + ... + 652570.

Almost surely, 2^1022001232 is an apocalyptic number.

It is an amenable number.

1022001232 is an abundant number, since it is smaller than the sum of its proper divisors (1281414026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022001232 is a wasteful number, since it uses less digits than its factorization.

1022001232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303595 (or 1303582 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1022001232 is about 31968.7539951122. The cubic root of 1022001232 is about 1007.2806081040.

Adding to 1022001232 its reverse (2321002201), we get a palindrome (3343003433).

The spelling of 1022001232 in words is "one billion, twenty-two million, one thousand, two hundred thirty-two".