222025404 has 24 divisors (see below), whose sum is σ = 525793408. Its totient is φ = 72903600.

The previous prime is 222025403. The next prime is 222025411. The reversal of 222025404 is 404520222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222025403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137272 + ... + 138879.

Almost surely, 2^222025404 is an apocalyptic number.

It is an amenable number.

222025404 is an abundant number, since it is smaller than the sum of its proper divisors (303768004).

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

222025404 is a wasteful number, since it uses less digits than its factorization.

222025404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276225 (or 276223 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 222025404 is about 14900.5169037856. The cubic root of 222025404 is about 605.5279902362.

Adding to 222025404 its reverse (404520222), we get a palindrome (626545626).

The spelling of 222025404 in words is "two hundred twenty-two million, twenty-five thousand, four hundred four".