1219149322 has 8 divisors (see below), whose sum is σ = 1936296036. Its totient is φ = 573717312.

The previous prime is 1219149319. The next prime is 1219149329. The reversal of 1219149322 is 2239419121.

It can be written as a sum of positive squares in 2 ways, for example, as 1077086761 + 142062561 = 32819^2 + 11919^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 35857333 = 1219149322 / (1 + 2 + 1 + 9 + 1 + 4 + 9 + 3 + 2 + 2).

It is not an unprimeable number, because it can be changed into a prime (1219149329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17928633 + ... + 17928700.

Almost surely, 2^1219149322 is an apocalyptic number.

1219149322 is a deficient number, since it is larger than the sum of its proper divisors (717146714).

1219149322 is a wasteful number, since it uses less digits than its factorization.

1219149322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35857352.

The product of its digits is 7776, while the sum is 34.

The square root of 1219149322 is about 34916.3188495007. The cubic root of 1219149322 is about 1068.2813186503.

The spelling of 1219149322 in words is "one billion, two hundred nineteen million, one hundred forty-nine thousand, three hundred twenty-two".