22146668 has 12 divisors (see below), whose sum is σ = 38834712. Its totient is φ = 11051040.

The previous prime is 22146661. The next prime is 22146697. The reversal of 22146668 is 86664122.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (22146661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (3236226).

Almost surely, 2^22146668 is an apocalyptic number.

It is an amenable number.

22146668 is a deficient number, since it is larger than the sum of its proper divisors (16688044).

22146668 is a wasteful number, since it uses less digits than its factorization.

22146668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11152 (or 11150 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 22146668 is about 4706.0246493192. The cubic root of 22146668 is about 280.8252354871.

The spelling of 22146668 in words is "twenty-two million, one hundred forty-six thousand, six hundred sixty-eight".