222021030 has 128 divisors (see below), whose sum is σ = 668860416. Its totient is φ = 45820800.

The previous prime is 222021017. The next prime is 222021067. The reversal of 222021030 is 30120222.

It is a junction number, because it is equal to n+sod(n) for n = 222020997 and 222021015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 514915 + ... + 515345.

It is an arithmetic number, because the mean of its divisors is an integer number (5225472).

Almost surely, 2^222021030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222021030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334430208).

222021030 is an abundant number, since it is smaller than the sum of its proper divisors (446839386).

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

222021030 is a wasteful number, since it uses less digits than its factorization.

222021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 222021030 is about 14900.3701296310. The cubic root of 222021030 is about 605.5240138191.

Adding to 222021030 its reverse (30120222), we get a palindrome (252141252).

It can be divided in two parts, 22202 and 1030, that added together give a palindrome (23232).

The spelling of 222021030 in words is "two hundred twenty-two million, twenty-one thousand, thirty".