222534004 has 72 divisors (see below), whose sum is σ = 515103680. Its totient is φ = 82114560.

The previous prime is 222533959. The next prime is 222534071. The reversal of 222534004 is 400435222.

222534004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62644 + ... + 66100.

Almost surely, 2^222534004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222534004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257551840).

222534004 is an abundant number, since it is smaller than the sum of its proper divisors (292569676).

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

222534004 is a wasteful number, since it uses less digits than its factorization.

222534004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509 (or 3496 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 222534004 is about 14917.5736633006. The cubic root of 222534004 is about 605.9900044462.

Adding to 222534004 its reverse (400435222), we get a palindrome (622969226).

The spelling of 222534004 in words is "two hundred twenty-two million, five hundred thirty-four thousand, four".