2194873826 has 8 divisors (see below), whose sum is σ = 3309548544. Its totient is φ = 1091690980.

The previous prime is 2194873783. The next prime is 2194873847. The reversal of 2194873826 is 6283784912.

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

It is a super-2 number, since 2×2194873826² = 9634942224119756552, which contains 22 as substring.

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, 2872490 + ... + 2873253.

It is an arithmetic number, because the mean of its divisors is an integer number (413693568).

Almost surely, 2^2194873826 is an apocalyptic number.

2194873826 is a deficient number, since it is larger than the sum of its proper divisors (1114674718).

2194873826 is a wasteful number, since it uses less digits than its factorization.

2194873826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745936.

The product of its digits is 1161216, while the sum is 50.

The square root of 2194873826 is about 46849.4805307380. The cubic root of 2194873826 is about 1299.5805009377.

The spelling of 2194873826 in words is "two billion, one hundred ninety-four million, eight hundred seventy-three thousand, eight hundred twenty-six".