22227040 has 96 divisors (see below), whose sum is σ = 58405536. Its totient is φ = 7925760.

The previous prime is 22227019. The next prime is 22227053. The reversal of 22227040 is 4072222.

It is a junction number, because it is equal to n+sod(n) for n = 22226999 and 22227017.

It is a congruent number.

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, 128394 + ... + 128566.

It is an arithmetic number, because the mean of its divisors is an integer number (608391).

Almost surely, 2^22227040 is an apocalyptic number.

22227040 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 22227040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29202768).

22227040 is an abundant number, since it is smaller than the sum of its proper divisors (36178496).

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

22227040 is a wasteful number, since it uses less digits than its factorization.

22227040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 22227040 is about 4714.5561827175. The cubic root of 22227040 is about 281.1645376549.

Adding to 22227040 its reverse (4072222), we get a palindrome (26299262).

The spelling of 22227040 in words is "twenty-two million, two hundred twenty-seven thousand, forty".