1122225588 has 36 divisors (see below), whose sum is σ = 3094623168. Its totient is φ = 340068240.

The previous prime is 1122225581. The next prime is 1122225649. The reversal of 1122225588 is 8855222211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122225581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416556 + ... + 1417347.

Almost surely, 2^1122225588 is an apocalyptic number.

1122225588 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1122225588 is an abundant number, since it is smaller than the sum of its proper divisors (1972397580).

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

1122225588 is a wasteful number, since it uses less digits than its factorization.

1122225588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833924 (or 2833919 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 1122225588 is about 33499.6356398096. The cubic root of 1122225588 is about 1039.1862433664.

Adding to 1122225588 its reverse (8855222211), we get a palindrome (9977447799).

The spelling of 1122225588 in words is "one billion, one hundred twenty-two million, two hundred twenty-five thousand, five hundred eighty-eight".