22302276 has 48 divisors (see below), whose sum is σ = 56683200. Its totient is φ = 6797952.

The previous prime is 22302263. The next prime is 22302311. The reversal of 22302276 is 67220322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4926 + ... + 8298.

It is an arithmetic number, because the mean of its divisors is an integer number (1180900).

Almost surely, 2^22302276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22302276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28341600).

22302276 is an abundant number, since it is smaller than the sum of its proper divisors (34380924).

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

22302276 is a wasteful number, since it uses less digits than its factorization.

22302276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428 (or 3426 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 22302276 is about 4722.5285599983. The cubic root of 22302276 is about 281.4814170403.

Adding to 22302276 its reverse (67220322), we get a palindrome (89522598).

It can be divided in two parts, 22302 and 276, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 22302276 in words is "twenty-two million, three hundred two thousand, two hundred seventy-six".