222311004 has 12 divisors (see below), whose sum is σ = 518725704. Its totient is φ = 74103664.

The previous prime is 222310993. The next prime is 222311009. The reversal of 222311004 is 400113222.

222311004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222311009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9262947 + ... + 9262970.

It is an arithmetic number, because the mean of its divisors is an integer number (43227142).

Almost surely, 2^222311004 is an apocalyptic number.

It is an amenable number.

222311004 is an abundant number, since it is smaller than the sum of its proper divisors (296414700).

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

222311004 is a wasteful number, since it uses less digits than its factorization.

222311004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18525924 (or 18525922 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222311004 is about 14910.0973839878. The cubic root of 222311004 is about 605.7875171359.

Adding to 222311004 its reverse (400113222), we get a palindrome (622424226).

The spelling of 222311004 in words is "two hundred twenty-two million, three hundred eleven thousand, four".