22155668 has 12 divisors (see below), whose sum is σ = 38808000. Its totient is φ = 11067672.

The previous prime is 22155649. The next prime is 22155671. The reversal of 22155668 is 86655122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4583 + ... + 8081.

It is an arithmetic number, because the mean of its divisors is an integer number (3234000).

Almost surely, 2^22155668 is an apocalyptic number.

It is an amenable number.

22155668 is a deficient number, since it is larger than the sum of its proper divisors (16652332).

22155668 is a wasteful number, since it uses less digits than its factorization.

22155668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 22155668 is about 4706.9807732771. The cubic root of 22155668 is about 280.8632710783.

The spelling of 22155668 in words is "twenty-two million, one hundred fifty-five thousand, six hundred sixty-eight".