22230322 has 16 divisors (see below), whose sum is σ = 35466552. Its totient is φ = 10414080.

The previous prime is 22230311. The next prime is 22230343. The reversal of 22230322 is 22303222.

It can be written as a sum of positive squares in 4 ways, for example, as 21150801 + 1079521 = 4599^2 + 1039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22230296 and 22230305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6838 + ... + 9550.

Almost surely, 2^22230322 is an apocalyptic number.

22230322 is a deficient number, since it is larger than the sum of its proper divisors (13236230).

22230322 is a wasteful number, since it uses less digits than its factorization.

22230322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22230322 is about 4714.9042408091. The cubic root of 22230322 is about 281.1783757038.

Adding to 22230322 its reverse (22303222), we get a palindrome (44533544).

Subtracting 22230322 from its reverse (22303222), we obtain a square (72900 = 270²).

It can be divided in two parts, 2 and 2230322, that multiplied together give a palindrome (4460644).

The spelling of 22230322 in words is "twenty-two million, two hundred thirty thousand, three hundred twenty-two".