1122254562 has 64 divisors (see below), whose sum is σ = 2649830400. Its totient is φ = 312379200.

The previous prime is 1122254527. The next prime is 1122254563. The reversal of 1122254562 is 2654522211.

It is not an unprimeable number, because it can be changed into a prime (1122254563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177939 + ... + 184137.

It is an arithmetic number, because the mean of its divisors is an integer number (41403600).

Almost surely, 2^1122254562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122254562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324915200).

1122254562 is an abundant number, since it is smaller than the sum of its proper divisors (1527575838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122254562 is a wasteful number, since it uses less digits than its factorization.

1122254562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439.

The product of its digits is 9600, while the sum is 30.

The square root of 1122254562 is about 33500.0680894830. The cubic root of 1122254562 is about 1039.1951866435.

Adding to 1122254562 its reverse (2654522211), we get a palindrome (3776776773).

The spelling of 1122254562 in words is "one billion, one hundred twenty-two million, two hundred fifty-four thousand, five hundred sixty-two".