22054320 has 60 divisors (see below), whose sum is σ = 74068176. Its totient is φ = 5880960.

The previous prime is 22054301. The next prime is 22054337. The reversal of 22054320 is 2345022.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22054293 and 22054302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14596 + ... + 16035.

Almost surely, 2^22054320 is an apocalyptic number.

22054320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22054320 is an abundant number, since it is smaller than the sum of its proper divisors (52013856).

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

22054320 is a wasteful number, since it uses less digits than its factorization.

22054320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30650 (or 30641 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22054320 is about 4696.2027213484. The cubic root of 22054320 is about 280.4343598492.

Adding to 22054320 its reverse (2345022), we get a palindrome (24399342).

The spelling of 22054320 in words is "twenty-two million, fifty-four thousand, three hundred twenty".