22444160 has 32 divisors (see below), whose sum is σ = 53657100. Its totient is φ = 8977408.

The previous prime is 22444153. The next prime is 22444189. The reversal of 22444160 is 6144422.

It can be written as a sum of positive squares in 2 ways, for example, as 20866624 + 1577536 = 4568^2 + 1256^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16895 + ... + 18174.

Almost surely, 2^22444160 is an apocalyptic number.

22444160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22444160 is an abundant number, since it is smaller than the sum of its proper divisors (31212940).

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

22444160 is an equidigital number, since it uses as much as digits as its factorization.

22444160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35088 (or 35076 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22444160 is about 4737.5267809269. The cubic root of 22444160 is about 282.0770709654.

Adding to 22444160 its reverse (6144422), we get a palindrome (28588582).

The spelling of 22444160 in words is "twenty-two million, four hundred forty-four thousand, one hundred sixty".