422100665 has 8 divisors (see below), whose sum is σ = 578880960. Its totient is φ = 289440432.

The previous prime is 422100661. The next prime is 422100677. The reversal of 422100665 is 566001224.

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

It is a cyclic number.

It is not a de Polignac number, because 422100665 - 2² = 422100661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422100661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6029975 + ... + 6030044.

It is an arithmetic number, because the mean of its divisors is an integer number (72360120).

Almost surely, 2^422100665 is an apocalyptic number.

It is an amenable number.

422100665 is a deficient number, since it is larger than the sum of its proper divisors (156780295).

422100665 is a wasteful number, since it uses less digits than its factorization.

422100665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12060031.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 422100665 is about 20545.0885858397. The cubic root of 422100665 is about 750.1337035705.

Adding to 422100665 its reverse (566001224), we get a palindrome (988101889).

The spelling of 422100665 in words is "four hundred twenty-two million, one hundred thousand, six hundred sixty-five".