22351160 has 64 divisors (see below), whose sum is σ = 55248480. Its totient is φ = 8087040.

The previous prime is 22351157. The next prime is 22351169. The reversal of 22351160 is 6115322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22351169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27155 + ... + 27965.

Almost surely, 2^22351160 is an apocalyptic number.

22351160 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 22351160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27624240).

22351160 is an abundant number, since it is smaller than the sum of its proper divisors (32897320).

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

22351160 is a wasteful number, since it uses less digits than its factorization.

22351160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22351160 is about 4727.7013442052. The cubic root of 22351160 is about 281.6869251600.

Adding to 22351160 its reverse (6115322), we get a palindrome (28466482).

The spelling of 22351160 in words is "twenty-two million, three hundred fifty-one thousand, one hundred sixty".