22030944 has 96 divisors (see below), whose sum is σ = 63221760. Its totient is φ = 6676992.

The previous prime is 22030927. The next prime is 22030949. The reversal of 22030944 is 44903022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×22030944² = 970724987062272, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158427 + ... + 158565.

It is an arithmetic number, because the mean of its divisors is an integer number (658560).

Almost surely, 2^22030944 is an apocalyptic number.

22030944 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 22030944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31610880).

22030944 is an abundant number, since it is smaller than the sum of its proper divisors (41190816).

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

22030944 is a wasteful number, since it uses less digits than its factorization.

22030944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22030944 is about 4693.7132421996. The cubic root of 22030944 is about 280.3352447090.

Adding to 22030944 its reverse (44903022), we get a palindrome (66933966).

The spelling of 22030944 in words is "twenty-two million, thirty thousand, nine hundred forty-four".