1111222230 has 32 divisors (see below), whose sum is σ = 2782888704. Its totient is φ = 283442016.

The previous prime is 1111222223. The next prime is 1111222247. The reversal of 1111222230 is 322221111.

1111222230 = 16666² + 16667² + ... + 16669².

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804544 + ... + 805923.

It is an arithmetic number, because the mean of its divisors is an integer number (86965272).

Almost surely, 2^1111222230 is an apocalyptic number.

1111222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111222230 is an abundant number, since it is smaller than the sum of its proper divisors (1671666474).

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

1111222230 is a wasteful number, since it uses less digits than its factorization.

1111222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610500.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1111222230 is about 33335.0000749963. Note that the first 4 decimals coincide. The cubic root of 1111222230 is about 1035.7786947227.

Adding to 1111222230 its reverse (322221111), we get a palindrome (1433443341).

The spelling of 1111222230 in words is "one billion, one hundred eleven million, two hundred twenty-two thousand, two hundred thirty".