1974224194 has 8 divisors (see below), whose sum is σ = 2961524880. Its totient is φ = 987049236.

The previous prime is 1974224183. The next prime is 1974224249. The reversal of 1974224194 is 4914224791.

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

It is a super-2 number, since 2×1974224194² = 7795122336349899272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1974224194.

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, 44917 + ... + 77239.

It is an arithmetic number, because the mean of its divisors is an integer number (370190610).

Almost surely, 2^1974224194 is an apocalyptic number.

1974224194 is a deficient number, since it is larger than the sum of its proper divisors (987300686).

1974224194 is a wasteful number, since it uses less digits than its factorization.

1974224194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62864.

The product of its digits is 145152, while the sum is 43.

The square root of 1974224194 is about 44432.2427298015. The cubic root of 1974224194 is about 1254.4850496038.

The spelling of 1974224194 in words is "one billion, nine hundred seventy-four million, two hundred twenty-four thousand, one hundred ninety-four".