1113531422 has 4 divisors (see below), whose sum is σ = 1670297136. Its totient is φ = 556765710.

The previous prime is 1113531401. The next prime is 1113531427. The reversal of 1113531422 is 2241353111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241353111 = 2029 ⋅1104659.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113531427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278382854 + ... + 278382857.

It is an arithmetic number, because the mean of its divisors is an integer number (417574284).

Almost surely, 2^1113531422 is an apocalyptic number.

1113531422 is a deficient number, since it is larger than the sum of its proper divisors (556765714).

1113531422 is an equidigital number, since it uses as much as digits as its factorization.

1113531422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556765713.

The product of its digits is 720, while the sum is 23.

The square root of 1113531422 is about 33369.6182477415. The cubic root of 1113531422 is about 1036.4956701218.

Adding to 1113531422 its reverse (2241353111), we get a palindrome (3354884533).

The spelling of 1113531422 in words is "one billion, one hundred thirteen million, five hundred thirty-one thousand, four hundred twenty-two".