222232004 has 6 divisors (see below), whose sum is σ = 388906014. Its totient is φ = 111116000.

The previous prime is 222231979. The next prime is 222232051. The reversal of 222232004 is 400232222.

It can be written as a sum of positive squares in only one way, i.e., 220463104 + 1768900 = 14848^2 + 1330^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778997 + ... + 27779004.

It is an arithmetic number, because the mean of its divisors is an integer number (64817669).

Almost surely, 2^222232004 is an apocalyptic number.

It is an amenable number.

222232004 is a deficient number, since it is larger than the sum of its proper divisors (166674010).

222232004 is a wasteful number, since it uses less digits than its factorization.

222232004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55558005 (or 55558003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222232004 is about 14907.4479371890. The cubic root of 222232004 is about 605.7157514819.

Adding to 222232004 its reverse (400232222), we get a palindrome (622464226).

The spelling of 222232004 in words is "two hundred twenty-two million, two hundred thirty-two thousand, four".