2194582046 has 4 divisors (see below), whose sum is σ = 3291873072. Its totient is φ = 1097291022.

The previous prime is 2194582021. The next prime is 2194582067. The reversal of 2194582046 is 6402854912.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2194582046² = 9632380713251092232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2194581994 and 2194582012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548645510 + ... + 548645513.

It is an arithmetic number, because the mean of its divisors is an integer number (822968268).

Almost surely, 2^2194582046 is an apocalyptic number.

2194582046 is a deficient number, since it is larger than the sum of its proper divisors (1097291026).

2194582046 is a wasteful number, since it uses less digits than its factorization.

2194582046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097291025.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2194582046 is about 46846.3664119214. The cubic root of 2194582046 is about 1299.5229109298.

The spelling of 2194582046 in words is "two billion, one hundred ninety-four million, five hundred eighty-two thousand, forty-six".