1111022442 has 24 divisors (see below), whose sum is σ = 2408193216. Its totient is φ = 370190376.

The previous prime is 1111022389. The next prime is 1111022467. The reversal of 1111022442 is 2442201111.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 38653 + ... + 60959.

It is an arithmetic number, because the mean of its divisors is an integer number (100341384).

Almost surely, 2^1111022442 is an apocalyptic number.

1111022442 is an abundant number, since it is smaller than the sum of its proper divisors (1297170774).

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

1111022442 is a wasteful number, since it uses less digits than its factorization.

1111022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25082 (or 25079 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1111022442 is about 33332.0032701306. The cubic root of 1111022442 is about 1035.7166163639.

Adding to 1111022442 its reverse (2442201111), we get a palindrome (3553223553).

The spelling of 1111022442 in words is "one billion, one hundred eleven million, twenty-two thousand, four hundred forty-two".