1023221330 has 16 divisors (see below), whose sum is σ = 1950139800. Its totient is φ = 385212672.

The previous prime is 1023221327. The next prime is 1023221389. The reversal of 1023221330 is 331223201.

It can be written as a sum of positive squares in 4 ways, for example, as 1014358801 + 8862529 = 31849^2 + 2977^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1023221299 and 1023221308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3009305 + ... + 3009644.

Almost surely, 2^1023221330 is an apocalyptic number.

1023221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023221330 is a deficient number, since it is larger than the sum of its proper divisors (926918470).

1023221330 is a wasteful number, since it uses less digits than its factorization.

1023221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018973.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1023221330 is about 31987.8309674163. The cubic root of 1023221330 is about 1007.6812900455.

Adding to 1023221330 its reverse (331223201), we get a palindrome (1354444531).

The spelling of 1023221330 in words is "one billion, twenty-three million, two hundred twenty-one thousand, three hundred thirty".