22066652 has 12 divisors (see below), whose sum is σ = 39660600. Its totient is φ = 10735056.

The previous prime is 22066643. The next prime is 22066661. The reversal of 22066652 is 25666022.

It is an interprime number because it is at equal distance from previous prime (22066643) and next prime (22066661).

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, 74402 + ... + 74697.

It is an arithmetic number, because the mean of its divisors is an integer number (3305050).

Almost surely, 2^22066652 is an apocalyptic number.

It is an amenable number.

22066652 is a deficient number, since it is larger than the sum of its proper divisors (17593948).

22066652 is a wasteful number, since it uses less digits than its factorization.

22066652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149140 (or 149138 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22066652 is about 4697.5155135454. The cubic root of 22066652 is about 280.4866197864.

The spelling of 22066652 in words is "twenty-two million, sixty-six thousand, six hundred fifty-two".