1022153441 has 4 divisors (see below), whose sum is σ = 1082280132. Its totient is φ = 962026752.

The previous prime is 1022153423. The next prime is 1022153449. The reversal of 1022153441 is 1443512201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 470890000 + 551263441 = 21700^2 + 23479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022153441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022153449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30063320 + ... + 30063353.

It is an arithmetic number, because the mean of its divisors is an integer number (270570033).

Almost surely, 2^1022153441 is an apocalyptic number.

It is an amenable number.

1022153441 is a deficient number, since it is larger than the sum of its proper divisors (60126691).

1022153441 is an equidigital number, since it uses as much as digits as its factorization.

1022153441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60126690.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1022153441 is about 31971.1344966049. The cubic root of 1022153441 is about 1007.3306111629.

Adding to 1022153441 its reverse (1443512201), we get a palindrome (2465665642).

The spelling of 1022153441 in words is "one billion, twenty-two million, one hundred fifty-three thousand, four hundred forty-one".