222000030 has 48 divisors (see below), whose sum is σ = 659659104. Its totient is φ = 50742720.

The previous prime is 222000019. The next prime is 222000043. The reversal of 222000030 is 30000222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 221999976 and 222000021.

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, 175561 + ... + 176820.

It is an arithmetic number, because the mean of its divisors is an integer number (13742898).

Almost surely, 2^222000030 is an apocalyptic number.

222000030 is an abundant number, since it is smaller than the sum of its proper divisors (437659074).

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

222000030 is a wasteful number, since it uses less digits than its factorization.

222000030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352401 (or 352398 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 222000030 is about 14899.6654324854. The cubic root of 222000030 is about 605.5049219261.

Adding to 222000030 its reverse (30000222), we get a palindrome (252000252).

The spelling of 222000030 in words is "two hundred twenty-two million, thirty", and thus it is an aban number.