2142205004 has 24 divisors (see below), whose sum is σ = 3919776000. Its totient is φ = 1022457744.

The previous prime is 2142204979. The next prime is 2142205019. The reversal of 2142205004 is 4005022412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22577 + ... + 69239.

It is an arithmetic number, because the mean of its divisors is an integer number (163324000).

Almost surely, 2^2142205004 is an apocalyptic number.

It is an amenable number.

2142205004 is a deficient number, since it is larger than the sum of its proper divisors (1777570996).

2142205004 is a wasteful number, since it uses less digits than its factorization.

2142205004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47189 (or 47187 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2142205004 is about 46283.9605479047. The cubic root of 2142205004 is about 1289.1011914990.

Adding to 2142205004 its reverse (4005022412), we get a palindrome (6147227416).

The spelling of 2142205004 in words is "two billion, one hundred forty-two million, two hundred five thousand, four".