22245322 has 16 divisors (see below), whose sum is σ = 36758592. Its totient is φ = 10012320.

The previous prime is 22245287. The next prime is 22245323. The reversal of 22245322 is 22354222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22245293 and 22245302.

It is not an unprimeable number, because it can be changed into a prime (22245323) 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, 2643 + ... + 7174.

It is an arithmetic number, because the mean of its divisors is an integer number (2297412).

Almost surely, 2^22245322 is an apocalyptic number.

22245322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22245322 is a deficient number, since it is larger than the sum of its proper divisors (14513270).

22245322 is a wasteful number, since it uses less digits than its factorization.

22245322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9933.

The product of its digits is 1920, while the sum is 22.

The square root of 22245322 is about 4716.4946729536. The cubic root of 22245322 is about 281.2416035683.

Adding to 22245322 its reverse (22354222), we get a palindrome (44599544).

Subtracting 22245322 from its reverse (22354222), we obtain a square (108900 = 330²).

The spelling of 22245322 in words is "twenty-two million, two hundred forty-five thousand, three hundred twenty-two".