1122244031 has 4 divisors (see below), whose sum is σ = 1126238064. Its totient is φ = 1118250000.

The previous prime is 1122243979. The next prime is 1122244033. The reversal of 1122244031 is 1304422211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1304422211 = 439 ⋅2971349.

It is a cyclic number.

It is not a de Polignac number, because 1122244031 - 2²⁶ = 1055135167 is a prime.

It is a super-2 number, since 2×1122244031² = 2518863330230257922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122243994 and 1122244012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122244033) 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, 1996595 + ... + 1997156.

It is an arithmetic number, because the mean of its divisors is an integer number (281559516).

Almost surely, 2^1122244031 is an apocalyptic number.

1122244031 is a deficient number, since it is larger than the sum of its proper divisors (3994033).

1122244031 is an equidigital number, since it uses as much as digits as its factorization.

1122244031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994032.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1122244031 is about 33499.9109103293. The cubic root of 1122244031 is about 1039.1919361039.

Adding to 1122244031 its reverse (1304422211), we get a palindrome (2426666242).

The spelling of 1122244031 in words is "one billion, one hundred twenty-two million, two hundred forty-four thousand, thirty-one".