22146348 has 24 divisors (see below), whose sum is σ = 59057152. Its totient is φ = 6327504.

The previous prime is 22146337. The next prime is 22146367. The reversal of 22146348 is 84364122.

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 7 ways as a sum of consecutive naturals, for example, 131740 + ... + 131907.

Almost surely, 2^22146348 is an apocalyptic number.

22146348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22146348 is an abundant number, since it is smaller than the sum of its proper divisors (36910804).

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

22146348 is a wasteful number, since it uses less digits than its factorization.

22146348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263661 (or 263659 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 22146348 is about 4705.9906502245. The cubic root of 22146348 is about 280.8238829209.

The spelling of 22146348 in words is "twenty-two million, one hundred forty-six thousand, three hundred forty-eight".