2245406894 has 4 divisors (see below), whose sum is σ = 3368110344. Its totient is φ = 1122703446.

The previous prime is 2245406873. The next prime is 2245406921. The reversal of 2245406894 is 4986045422.

It is a happy number.

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

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, 561351722 + ... + 561351725.

It is an arithmetic number, because the mean of its divisors is an integer number (842027586).

Almost surely, 2^2245406894 is an apocalyptic number.

2245406894 is a deficient number, since it is larger than the sum of its proper divisors (1122703450).

2245406894 is a wasteful number, since it uses less digits than its factorization.

2245406894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122703449.

The product of its (nonzero) digits is 552960, while the sum is 44.

The square root of 2245406894 is about 47385.7245802995. The cubic root of 2245406894 is about 1309.4784346410.

The spelling of 2245406894 in words is "two billion, two hundred forty-five million, four hundred six thousand, eight hundred ninety-four".