1022001332 has 36 divisors (see below), whose sum is σ = 2003016708. Its totient is φ = 455769600.

The previous prime is 1022001319. The next prime is 1022001349. The reversal of 1022001332 is 2331002201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 516471076 + 505530256 = 22726^2 + 22484^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5732 + ... + 45572.

It is an arithmetic number, because the mean of its divisors is an integer number (55639353).

Almost surely, 2^1022001332 is an apocalyptic number.

It is an amenable number.

1022001332 is a deficient number, since it is larger than the sum of its proper divisors (981015376).

1022001332 is a wasteful number, since it uses less digits than its factorization.

1022001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39920 (or 39907 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1022001332 is about 31968.7555591393. The cubic root of 1022001332 is about 1007.2806409572.

Adding to 1022001332 its reverse (2331002201), we get a palindrome (3353003533).

The spelling of 1022001332 in words is "one billion, twenty-two million, one thousand, three hundred thirty-two".