1023221132 has 6 divisors (see below), whose sum is σ = 1790636988. Its totient is φ = 511610564.

The previous prime is 1023221107. The next prime is 1023221141. The reversal of 1023221132 is 2311223201.

It is a super-2 number, since 2×1023221132² = 2093962969942722848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1023221132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127902638 + ... + 127902645.

It is an arithmetic number, because the mean of its divisors is an integer number (298439498).

Almost surely, 2^1023221132 is an apocalyptic number.

It is an amenable number.

1023221132 is a deficient number, since it is larger than the sum of its proper divisors (767415856).

1023221132 is a wasteful number, since it uses less digits than its factorization.

1023221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255805287 (or 255805285 counting only the distinct ones).

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

The square root of 1023221132 is about 31987.8278724892. The cubic root of 1023221132 is about 1007.6812250479.

Adding to 1023221132 its reverse (2311223201), we get a palindrome (3334444333).

The spelling of 1023221132 in words is "one billion, twenty-three million, two hundred twenty-one thousand, one hundred thirty-two".