22141650 has 96 divisors (see below), whose sum is σ = 61335360. Its totient is φ = 5253120.

The previous prime is 22141649. The next prime is 22141673. The reversal of 22141650 is 5614122.

It is a Curzon number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 48222 + ... + 48678.

It is an arithmetic number, because the mean of its divisors is an integer number (638910).

Almost surely, 2^22141650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22141650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30667680).

22141650 is an abundant number, since it is smaller than the sum of its proper divisors (39193710).

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

22141650 is a wasteful number, since it uses less digits than its factorization.

22141650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 22141650 is about 4705.4914727369. The cubic root of 22141650 is about 280.8040240574.

Adding to 22141650 its reverse (5614122), we get a palindrome (27755772).

It can be divided in two parts, 22141 and 650, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 22141650 in words is "twenty-two million, one hundred forty-one thousand, six hundred fifty".