22040160 has 192 divisors, whose sum is σ = 76531392. Its totient is φ = 5308416.

The previous prime is 22040147. The next prime is 22040167. The reversal of 22040160 is 6104022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301884 + ... + 301956.

It is an arithmetic number, because the mean of its divisors is an integer number (398601).

Almost surely, 2^22040160 is an apocalyptic number.

22040160 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 22040160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38265696).

22040160 is an abundant number, since it is smaller than the sum of its proper divisors (54491232).

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

22040160 is a wasteful number, since it uses less digits than its factorization.

22040160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22040160 is about 4694.6948782642. The cubic root of 22040160 is about 280.3743292718.

Adding to 22040160 its reverse (6104022), we get a palindrome (28144182).

The spelling of 22040160 in words is "twenty-two million, forty thousand, one hundred sixty".