1222232122 has 4 divisors (see below), whose sum is σ = 1833348186. Its totient is φ = 611116060.

The previous prime is 1222232113. The next prime is 1222232159. The reversal of 1222232122 is 2212322221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 777907881 + 444324241 = 27891^2 + 21079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1222232122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305558029 + ... + 305558032.

Almost surely, 2^1222232122 is an apocalyptic number.

1222232122 is a deficient number, since it is larger than the sum of its proper divisors (611116064).

1222232122 is an equidigital number, since it uses as much as digits as its factorization.

1222232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611116063.

The product of its digits is 384, while the sum is 19.

The square root of 1222232122 is about 34960.4365247346. The cubic root of 1222232122 is about 1069.1809967069.

Adding to 1222232122 its reverse (2212322221), we get a palindrome (3434554343).

Subtracting 1222232122 from its reverse (2212322221), we obtain a palindrome (990090099).

It can be divided in two parts, 12222 and 32122, that added together give a palindrome (44344).

The spelling of 1222232122 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, one hundred twenty-two".