22212302 has 16 divisors (see below), whose sum is σ = 40318560. Its totient is φ = 8959488.

The previous prime is 22212301. The next prime is 22212329. The reversal of 22212302 is 20321222.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46427 + ... + 46902.

It is an arithmetic number, because the mean of its divisors is an integer number (2519910).

Almost surely, 2^22212302 is an apocalyptic number.

22212302 is a deficient number, since it is larger than the sum of its proper divisors (18106258).

22212302 is a wasteful number, since it uses less digits than its factorization.

22212302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93355.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22212302 is about 4712.9928919955. The cubic root of 22212302 is about 281.1023803431.

Adding to 22212302 its reverse (20321222), we get a palindrome (42533524).

The spelling of 22212302 in words is "twenty-two million, two hundred twelve thousand, three hundred two".