22453320 has 32 divisors (see below), whose sum is σ = 67360320. Its totient is φ = 5987520.

The previous prime is 22453303. The next prime is 22453349. The reversal of 22453320 is 2335422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93436 + ... + 93675.

It is an arithmetic number, because the mean of its divisors is an integer number (2105010).

Almost surely, 2^22453320 is an apocalyptic number.

22453320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22453320 is an abundant number, since it is smaller than the sum of its proper divisors (44907000).

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

22453320 is a wasteful number, since it uses less digits than its factorization.

22453320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187125 (or 187121 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 22453320 is about 4738.4934314611. The cubic root of 22453320 is about 282.1154398855.

Adding to 22453320 its reverse (2335422), we get a palindrome (24788742).

It can be divided in two parts, 2245 and 3320, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 22453320 in words is "twenty-two million, four hundred fifty-three thousand, three hundred twenty".