1222904162 has 8 divisors (see below), whose sum is σ = 1852518492. Its totient is φ = 605398000.

The previous prime is 1222904141. The next prime is 1222904173. The reversal of 1222904162 is 2614092221.

It can be written as a sum of positive squares in 2 ways, for example, as 1092236401 + 130667761 = 33049^2 + 11431^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3026789 + ... + 3027192.

Almost surely, 2^1222904162 is an apocalyptic number.

1222904162 is a deficient number, since it is larger than the sum of its proper divisors (629614330).

1222904162 is a wasteful number, since it uses less digits than its factorization.

1222904162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054084.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1222904162 is about 34970.0466399460. The cubic root of 1222904162 is about 1069.3769225953.

Adding to 1222904162 its reverse (2614092221), we get a palindrome (3836996383).

The spelling of 1222904162 in words is "one billion, two hundred twenty-two million, nine hundred four thousand, one hundred sixty-two".