1122213544 has 16 divisors (see below), whose sum is σ = 2113423200. Its totient is φ = 558634032.

The previous prime is 1122213541. The next prime is 1122213559. The reversal of 1122213544 is 4453122211.

It is not an unprimeable number, because it can be changed into a prime (1122213541) 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, 307164 + ... + 310795.

It is an arithmetic number, because the mean of its divisors is an integer number (132088950).

Almost surely, 2^1122213544 is an apocalyptic number.

It is an amenable number.

1122213544 is a deficient number, since it is larger than the sum of its proper divisors (991209656).

1122213544 is a wasteful number, since it uses less digits than its factorization.

1122213544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618192 (or 618188 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1122213544 is about 33499.4558761780. The cubic root of 1122213544 is about 1039.1825257526.

Adding to 1122213544 its reverse (4453122211), we get a palindrome (5575335755).

The spelling of 1122213544 in words is "one billion, one hundred twenty-two million, two hundred thirteen thousand, five hundred forty-four".