22335040 has 168 divisors, whose sum is σ = 66934080. Its totient is φ = 6948864.

The previous prime is 22335029. The next prime is 22335043. The reversal of 22335040 is 4053322.

It is a junction number, because it is equal to n+sod(n) for n = 22334999 and 22335017.

It is not an unprimeable number, because it can be changed into a prime (22335043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378531 + ... + 378589.

Almost surely, 2^22335040 is an apocalyptic number.

22335040 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 22335040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33467040).

22335040 is an abundant number, since it is smaller than the sum of its proper divisors (44599040).

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

22335040 is a wasteful number, since it uses less digits than its factorization.

22335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 22335040 is about 4725.9961912807. The cubic root of 22335040 is about 281.6191898940.

Adding to 22335040 its reverse (4053322), we get a palindrome (26388362).

It can be divided in two parts, 22 and 335040, that multiplied together give a triangular number (7370880 = T₃₈₃₉).

The spelling of 22335040 in words is "twenty-two million, three hundred thirty-five thousand, forty".