1023220244 has 12 divisors (see below), whose sum is σ = 1820985600. Its totient is φ = 502938648.

The previous prime is 1023220241. The next prime is 1023220267. The reversal of 1023220244 is 4420223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023220241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167604 + ... + 2168075.

It is an arithmetic number, because the mean of its divisors is an integer number (151748800).

Almost surely, 2^1023220244 is an apocalyptic number.

It is an amenable number.

1023220244 is a deficient number, since it is larger than the sum of its proper divisors (797765356).

1023220244 is a wasteful number, since it uses less digits than its factorization.

1023220244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335742 (or 4335740 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1023220244 is about 31987.8139922065. The cubic root of 1023220244 is about 1007.6809335432.

Adding to 1023220244 its reverse (4420223201), we get a palindrome (5443443445).

The spelling of 1023220244 in words is "one billion, twenty-three million, two hundred twenty thousand, two hundred forty-four".