1219220674 has 16 divisors (see below), whose sum is σ = 2096693568. Its totient is φ = 520872912.

The previous prime is 1219220657. The next prime is 1219220683. The reversal of 1219220674 is 4760229121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132924 + ... + 141799.

It is an arithmetic number, because the mean of its divisors is an integer number (131043348).

Almost surely, 2^1219220674 is an apocalyptic number.

1219220674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1219220674 is a deficient number, since it is larger than the sum of its proper divisors (877472894).

1219220674 is a wasteful number, since it uses less digits than its factorization.

1219220674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275049.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1219220674 is about 34917.3405917461. The cubic root of 1219220674 is about 1068.3021590074.

Adding to 1219220674 its reverse (4760229121), we get a palindrome (5979449795).

The spelling of 1219220674 in words is "one billion, two hundred nineteen million, two hundred twenty thousand, six hundred seventy-four".