1122222007 has 2 divisors, whose sum is σ = 1122222008. Its totient is φ = 1122222006.

The previous prime is 1122221987. The next prime is 1122222089. The reversal of 1122222007 is 7002222211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122222007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122222407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561111003 + 561111004.

It is an arithmetic number, because the mean of its divisors is an integer number (561111004).

Almost surely, 2^1122222007 is an apocalyptic number.

1122222007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122222007 is an equidigital number, since it uses as much as digits as its factorization.

1122222007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1122222007 is about 33499.5821914244. The cubic root of 1122222007 is about 1039.1851380242.

Adding to 1122222007 its reverse (7002222211), we get a palindrome (8124444218).

The spelling of 1122222007 in words is "one billion, one hundred twenty-two million, two hundred twenty-two thousand, seven".