22044462 has 32 divisors (see below), whose sum is σ = 48587904. Its totient is φ = 6612000.

The previous prime is 22044443. The next prime is 22044469. The reversal of 22044462 is 26444022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5013 + ... + 8319.

It is an arithmetic number, because the mean of its divisors is an integer number (1518372).

Almost surely, 2^22044462 is an apocalyptic number.

22044462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22044462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24293952).

22044462 is an abundant number, since it is smaller than the sum of its proper divisors (26543442).

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

22044462 is a wasteful number, since it uses less digits than its factorization.

22044462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424.

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

The square root of 22044462 is about 4695.1530326497. The cubic root of 22044462 is about 280.3925700937.

Adding to 22044462 its reverse (26444022), we get a palindrome (48488484).

It can be divided in two parts, 2204 and 4462, that added together give a palindrome (6666).

The spelling of 22044462 in words is "twenty-two million, forty-four thousand, four hundred sixty-two".