1122222013 has 4 divisors (see below), whose sum is σ = 1224242208. Its totient is φ = 1020201820.

The previous prime is 1122222007. The next prime is 1122222089. The reversal of 1122222013 is 3102222211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3102222211 = 11 ⋅282020201.

It is not a de Polignac number, because 1122222013 - 2¹³ = 1122213821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122220013) 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, 51010081 + ... + 51010102.

It is an arithmetic number, because the mean of its divisors is an integer number (306060552).

Almost surely, 2^1122222013 is an apocalyptic number.

It is an amenable number.

1122222013 is a deficient number, since it is larger than the sum of its proper divisors (102020195).

1122222013 is a wasteful number, since it uses less digits than its factorization.

1122222013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102020194.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1122222013 is about 33499.5822809778. The cubic root of 1122222013 is about 1039.1851398762.

Adding to 1122222013 its reverse (3102222211), we get a palindrome (4224444224).

The spelling of 1122222013 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, thirteen".