1022113245 has 16 divisors (see below), whose sum is σ = 1688136192. Its totient is φ = 527542080.

The previous prime is 1022113243. The next prime is 1022113273. The reversal of 1022113245 is 5423112201.

It is not a de Polignac number, because 1022113245 - 2¹ = 1022113243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022113243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098582 + ... + 1099511.

It is an arithmetic number, because the mean of its divisors is an integer number (105508512).

Almost surely, 2^1022113245 is an apocalyptic number.

1022113245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022113245 is a deficient number, since it is larger than the sum of its proper divisors (666022947).

1022113245 is a wasteful number, since it uses less digits than its factorization.

1022113245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198132.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1022113245 is about 31970.5058608712. The cubic root of 1022113245 is about 1007.3174066248.

Adding to 1022113245 its reverse (5423112201), we get a palindrome (6445225446).

The spelling of 1022113245 in words is "one billion, twenty-two million, one hundred thirteen thousand, two hundred forty-five".