1222022122 has 8 divisors (see below), whose sum is σ = 1834983972. Its totient is φ = 610360800.

The previous prime is 1222022119. The next prime is 1222022141. The reversal of 1222022122 is 2212202221.

It can be written as a sum of positive squares in 2 ways, for example, as 1029062241 + 192959881 = 32079^2 + 13891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1222022096 and 1222022105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322779 + ... + 326542.

Almost surely, 2^1222022122 is an apocalyptic number.

1222022122 is a deficient number, since it is larger than the sum of its proper divisors (612961850).

1222022122 is an equidigital number, since it uses as much as digits as its factorization.

1222022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650264.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1222022122 is about 34957.4330007225. The cubic root of 1222022122 is about 1069.1197587839.

Adding to 1222022122 its reverse (2212202221), we get a palindrome (3434224343).

The spelling of 1222022122 in words is "one billion, two hundred twenty-two million, twenty-two thousand, one hundred twenty-two".