1219108922 has 4 divisors (see below), whose sum is σ = 1828663386. Its totient is φ = 609554460.

The previous prime is 1219108907. The next prime is 1219108939. The reversal of 1219108922 is 2298019121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2298019121 = 401 ⋅5730721.

It can be written as a sum of positive squares in only one way, i.e., 1079845321 + 139263601 = 32861^2 + 11801^2 .

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 as a sum of consecutive naturals, namely, 304777229 + ... + 304777232.

Almost surely, 2^1219108922 is an apocalyptic number.

1219108922 is a deficient number, since it is larger than the sum of its proper divisors (609554464).

1219108922 is an equidigital number, since it uses as much as digits as its factorization.

1219108922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609554463.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1219108922 is about 34915.7403186586. The cubic root of 1219108922 is about 1068.2695183342.

The spelling of 1219108922 in words is "one billion, two hundred nineteen million, one hundred eight thousand, nine hundred twenty-two".