1122213142 has 8 divisors (see below), whose sum is σ = 1686925656. Its totient is φ = 559904592.

The previous prime is 1122213133. The next prime is 1122213143. The reversal of 1122213142 is 2413122211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122213143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599823 + ... + 601690.

It is an arithmetic number, because the mean of its divisors is an integer number (210865707).

Almost surely, 2^1122213142 is an apocalyptic number.

1122213142 is a deficient number, since it is larger than the sum of its proper divisors (564712514).

1122213142 is a wasteful number, since it uses less digits than its factorization.

1122213142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201982.

The product of its digits is 192, while the sum is 19.

The square root of 1122213142 is about 33499.4498760801. The cubic root of 1122213142 is about 1039.1824016671.

Adding to 1122213142 its reverse (2413122211), we get a palindrome (3535335353).

The spelling of 1122213142 in words is "one billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred forty-two".