22212030 has 64 divisors (see below), whose sum is σ = 57153600. Its totient is φ = 5505024.

The previous prime is 22212019. The next prime is 22212049. The reversal of 22212030 is 3021222.

It is a junction number, because it is equal to n+sod(n) for n = 22211997 and 22212015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49246 + ... + 49694.

It is an arithmetic number, because the mean of its divisors is an integer number (893025).

Almost surely, 2^22212030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22212030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28576800).

22212030 is an abundant number, since it is smaller than the sum of its proper divisors (34941570).

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

22212030 is a wasteful number, since it uses less digits than its factorization.

22212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

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

The square root of 22212030 is about 4712.9640355089. The cubic root of 22212030 is about 281.1012329285.

Adding to 22212030 its reverse (3021222), we get a palindrome (25233252).

The spelling of 22212030 in words is "twenty-two million, two hundred twelve thousand, thirty".