1122211242 has 24 divisors (see below), whose sum is σ = 2574485316. Its totient is φ = 352066176.

The previous prime is 1122211219. The next prime is 1122211247. The reversal of 1122211242 is 2421122211.

It can be written as a sum of positive squares in 2 ways, for example, as 1079713881 + 42497361 = 32859^2 + 6519^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1122211247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1833373 + ... + 1833984.

Almost surely, 2^1122211242 is an apocalyptic number.

1122211242 is an abundant number, since it is smaller than the sum of its proper divisors (1452274074).

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

1122211242 is a wasteful number, since it uses less digits than its factorization.

1122211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667382 (or 3667379 counting only the distinct ones).

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

The square root of 1122211242 is about 33499.4215173934. The cubic root of 1122211242 is about 1039.1818151927.

Adding to 1122211242 its reverse (2421122211), we get a palindrome (3543333453).

The spelling of 1122211242 in words is "one billion, one hundred twenty-two million, two hundred eleven thousand, two hundred forty-two".