22223040 has 112 divisors (see below), whose sum is σ = 80662272. Its totient is φ = 5078016.

The previous prime is 22223039. The next prime is 22223053. The reversal of 22223040 is 4032222.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5067 + ... + 8373.

Almost surely, 2^22223040 is an apocalyptic number.

22223040 is a gapful number since it is divisible by the number (20) 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 22223040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40331136).

22223040 is an abundant number, since it is smaller than the sum of its proper divisors (58439232).

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

22223040 is a wasteful number, since it uses less digits than its factorization.

22223040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22223040 is about 4714.1319455442. The cubic root of 22223040 is about 281.1476704274.

Adding to 22223040 its reverse (4032222), we get a palindrome (26255262).

The spelling of 22223040 in words is "twenty-two million, two hundred twenty-three thousand, forty".