1122022553 has 4 divisors (see below), whose sum is σ = 1122618420. Its totient is φ = 1121426688.

The previous prime is 1122022541. The next prime is 1122022579. The reversal of 1122022553 is 3552202211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3552202211 = 83 ⋅42797617.

It can be written as a sum of positive squares in 2 ways, for example, as 493417369 + 628605184 = 22213^2 + 25072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122022553 - 2⁴ = 1122022537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122022453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295100 + ... + 298877.

It is an arithmetic number, because the mean of its divisors is an integer number (280654605).

Almost surely, 2^1122022553 is an apocalyptic number.

It is an amenable number.

1122022553 is a deficient number, since it is larger than the sum of its proper divisors (595867).

1122022553 is an equidigital number, since it uses as much as digits as its factorization.

1122022553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595866.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1122022553 is about 33496.6050966363. The cubic root of 1122022553 is about 1039.1235691273.

Adding to 1122022553 its reverse (3552202211), we get a palindrome (4674224764).

The spelling of 1122022553 in words is "one billion, one hundred twenty-two million, twenty-two thousand, five hundred fifty-three".