22141770 has 32 divisors (see below), whose sum is σ = 60732288. Its totient is φ = 5060928.

The previous prime is 22141759. The next prime is 22141793. The reversal of 22141770 is 7714122.

It is a self number, because there is not a number n which added to its sum of digits gives 22141770.

It is an unprimeable number.

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, 52509 + ... + 52928.

It is an arithmetic number, because the mean of its divisors is an integer number (1897884).

Almost surely, 2^22141770 is an apocalyptic number.

22141770 is an abundant number, since it is smaller than the sum of its proper divisors (38590518).

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

22141770 is a wasteful number, since it uses less digits than its factorization.

22141770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105454.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 22141770 is about 4705.5042237788. The cubic root of 22141770 is about 280.8045313430.

Adding to 22141770 its reverse (7714122), we get a palindrome (29855892).

The spelling of 22141770 in words is "twenty-two million, one hundred forty-one thousand, seven hundred seventy".