22146308 has 12 divisors (see below), whose sum is σ = 41035932. Its totient is φ = 10421760.

The previous prime is 22146287. The next prime is 22146329. The reversal of 22146308 is 80364122.

It is an interprime number because it is at equal distance from previous prime (22146287) and next prime (22146329).

It can be written as a sum of positive squares in 2 ways, for example, as 11505664 + 10640644 = 3392^2 + 3262^2 .

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 3 ways as a sum of consecutive naturals, for example, 162773 + ... + 162908.

It is an arithmetic number, because the mean of its divisors is an integer number (3419661).

Almost surely, 2^22146308 is an apocalyptic number.

It is an amenable number.

22146308 is a deficient number, since it is larger than the sum of its proper divisors (18889624).

22146308 is a wasteful number, since it uses less digits than its factorization.

22146308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325702 (or 325700 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 22146308 is about 4705.9864003203. The cubic root of 22146308 is about 280.8237138492.

The spelling of 22146308 in words is "twenty-two million, one hundred forty-six thousand, three hundred eight".