1022403243 has 16 divisors (see below), whose sum is σ = 1441769600. Its totient is φ = 642660480.

The previous prime is 1022403209. The next prime is 1022403287. The reversal of 1022403243 is 3423042201.

It is not a de Polignac number, because 1022403243 - 2²⁵ = 988848811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022403293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30478 + ... + 54531.

It is an arithmetic number, because the mean of its divisors is an integer number (90110600).

Almost surely, 2^1022403243 is an apocalyptic number.

1022403243 is a deficient number, since it is larger than the sum of its proper divisors (419366357).

1022403243 is a wasteful number, since it uses less digits than its factorization.

1022403243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85242.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1022403243 is about 31975.0409382068. The cubic root of 1022403243 is about 1007.4126643052.

Adding to 1022403243 its reverse (3423042201), we get a palindrome (4445445444).

The spelling of 1022403243 in words is "one billion, twenty-two million, four hundred three thousand, two hundred forty-three".