2194031004 has 48 divisors (see below), whose sum is σ = 5878750080. Its totient is φ = 629864640.

The previous prime is 2194031003. The next prime is 2194031029. The reversal of 2194031004 is 4001304912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194031003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434899 + ... + 439914.

It is an arithmetic number, because the mean of its divisors is an integer number (122473960).

Almost surely, 2^2194031004 is an apocalyptic number.

It is an amenable number.

2194031004 is an abundant number, since it is smaller than the sum of its proper divisors (3684719076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2194031004 is a wasteful number, since it uses less digits than its factorization.

2194031004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874850 (or 874848 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2194031004 is about 46840.4846687137. The cubic root of 2194031004 is about 1299.4141352218.

Adding to 2194031004 its reverse (4001304912), we get a palindrome (6195335916).

The spelling of 2194031004 in words is "two billion, one hundred ninety-four million, thirty-one thousand, four".