1113222888 has 24 divisors (see below), whose sum is σ = 3014978850. Its totient is φ = 371074272.

The previous prime is 1113222881. The next prime is 1113222893. The reversal of 1113222888 is 8882223111.

It can be written as a sum of positive squares in only one way, i.e., 1064194884 + 49028004 = 32622^2 + 7002^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1113222881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7730643 + ... + 7730786.

Almost surely, 2^1113222888 is an apocalyptic number.

1113222888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1113222888 is an abundant number, since it is smaller than the sum of its proper divisors (1901755962).

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

1113222888 is a wasteful number, since it uses less digits than its factorization.

1113222888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15461441 (or 15461434 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 1113222888 is about 33364.9949497973. The cubic root of 1113222888 is about 1036.3999315585.

Adding to 1113222888 its reverse (8882223111), we get a palindrome (9995445999).

The spelling of 1113222888 in words is "one billion, one hundred thirteen million, two hundred twenty-two thousand, eight hundred eighty-eight".