22647022 has 8 divisors (see below), whose sum is σ = 34300656. Its totient is φ = 11213472.

The previous prime is 22647017. The next prime is 22647049. The reversal of 22647022 is 22074622.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 54763 + ... + 55174.

It is an arithmetic number, because the mean of its divisors is an integer number (4287582).

Almost surely, 2^22647022 is an apocalyptic number.

22647022 is a deficient number, since it is larger than the sum of its proper divisors (11653634).

22647022 is a wasteful number, since it uses less digits than its factorization.

22647022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110042.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 22647022 is about 4758.8887358290. Note that the first 3 decimals coincide. The cubic root of 22647022 is about 282.9243764023.

The spelling of 22647022 in words is "twenty-two million, six hundred forty-seven thousand, twenty-two".