1032223220 has 72 divisors (see below), whose sum is σ = 2527001064. Its totient is φ = 353144064.

The previous prime is 1032223219. The next prime is 1032223237. The reversal of 1032223220 is 223222301.

It can be written as a sum of positive squares in 4 ways, for example, as 60155536 + 972067684 = 7756^2 + 31178^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 639134 + ... + 640746.

It is an arithmetic number, because the mean of its divisors is an integer number (35097237).

Almost surely, 2^1032223220 is an apocalyptic number.

1032223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1032223220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263500532).

1032223220 is an abundant number, since it is smaller than the sum of its proper divisors (1494777844).

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

1032223220 is a wasteful number, since it uses less digits than its factorization.

1032223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1032223220 is about 32128.2308881146. The cubic root of 1032223220 is about 1010.6277246730.

Adding to 1032223220 its reverse (223222301), we get a palindrome (1255445521).

The spelling of 1032223220 in words is "one billion, thirty-two million, two hundred twenty-three thousand, two hundred twenty".