1122222304 has 72 divisors (see below), whose sum is σ = 2576212128. Its totient is φ = 479808000.

The previous prime is 1122222287. The next prime is 1122222317. The reversal of 1122222304 is 4032222211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1177092 + ... + 1178044.

It is an arithmetic number, because the mean of its divisors is an integer number (35780724).

Almost surely, 2^1122222304 is an apocalyptic number.

1122222304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122222304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1288106064).

1122222304 is an abundant number, since it is smaller than the sum of its proper divisors (1453989824).

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

1122222304 is an equidigital number, since it uses as much as digits as its factorization.

1122222304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1122222304 is about 33499.5866243152. The cubic root of 1122222304 is about 1039.1852296989.

Adding to 1122222304 its reverse (4032222211), we get a palindrome (5154444515).

The spelling of 1122222304 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, three hundred four".