22146306 has 64 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 5709888.

The previous prime is 22146287. The next prime is 22146329. The reversal of 22146306 is 60364122.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25231 + ... + 26093.

It is an arithmetic number, because the mean of its divisors is an integer number (870912).

Almost surely, 2^22146306 is an apocalyptic number.

22146306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22146306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27869184).

22146306 is an abundant number, since it is smaller than the sum of its proper divisors (33592062).

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

22146306 is a wasteful number, since it uses less digits than its factorization.

22146306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22146306 is about 4705.9861878250. The cubic root of 22146306 is about 280.8237053956.

The spelling of 22146306 in words is "twenty-two million, one hundred forty-six thousand, three hundred six".