2022144 has 36 divisors (see below), whose sum is σ = 5383896. Its totient is φ = 673792.

The previous prime is 2022103. The next prime is 2022149. The reversal of 2022144 is 4412202.

2022144 = 470² + 471² + ... + 478².

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2022149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549 + ... + 2084.

2^2022144 is an apocalyptic number.

2022144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2022144 is an abundant number, since it is smaller than the sum of its proper divisors (3361752).

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

2022144 is an equidigital number, since it uses as much as digits as its factorization.

2022144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2022144 is about 1422.0210968899. The cubic root of 2022144 is about 126.4553941895.

Adding to 2022144 its reverse (4412202), we get a palindrome (6434346).

It can be divided in two parts, 202 and 2144, that added together give a triangular number (2346 = T₆₈).

The spelling of 2022144 in words is "two million, twenty-two thousand, one hundred forty-four".