22024464 has 160 divisors (see below), whose sum is σ = 72852480. Its totient is φ = 5568000.

The previous prime is 22024463. The next prime is 22024481. The reversal of 22024464 is 46442022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22024463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218014 + ... + 218114.

It is an arithmetic number, because the mean of its divisors is an integer number (455328).

Almost surely, 2^22024464 is an apocalyptic number.

22024464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22024464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36426240).

22024464 is an abundant number, since it is smaller than the sum of its proper divisors (50828016).

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

22024464 is a wasteful number, since it uses less digits than its factorization.

22024464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 22024464 is about 4693.0229064005. The cubic root of 22024464 is about 280.3077568489.

Adding to 22024464 its reverse (46442022), we get a palindrome (68466486).

It can be divided in two parts, 2202 and 4464, that added together give a palindrome (6666).

The spelling of 22024464 in words is "twenty-two million, twenty-four thousand, four hundred sixty-four".