22346040 has 64 divisors (see below), whose sum is σ = 69212160. Its totient is φ = 5765760.

The previous prime is 22346029. The next prime is 22346047. The reversal of 22346040 is 4064322.

It is a junction number, because it is equal to n+sod(n) for n = 22345998 and 22346016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22346047) 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, 717 + ... + 6723.

It is an arithmetic number, because the mean of its divisors is an integer number (1081440).

Almost surely, 2^22346040 is an apocalyptic number.

22346040 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 22346040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34606080).

22346040 is an abundant number, since it is smaller than the sum of its proper divisors (46866120).

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

22346040 is a wasteful number, since it uses less digits than its factorization.

22346040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052 (or 6048 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 22346040 is about 4727.1598238266. The cubic root of 22346040 is about 281.6654147597.

The spelling of 22346040 in words is "twenty-two million, three hundred forty-six thousand, forty".