66227422 has 8 divisors (see below), whose sum is σ = 101215656. Its totient is φ = 32488872.

The previous prime is 66227411. The next prime is 66227431. The reversal of 66227422 is 22472266.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312288 + ... + 312499.

It is an arithmetic number, because the mean of its divisors is an integer number (12651957).

Almost surely, 2^66227422 is an apocalyptic number.

66227422 is a deficient number, since it is larger than the sum of its proper divisors (34988234).

66227422 is a wasteful number, since it uses less digits than its factorization.

66227422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624842.

The product of its digits is 16128, while the sum is 31.

The square root of 66227422 is about 8138.0232243463. The cubic root of 66227422 is about 404.5876451267.

Adding to 66227422 its reverse (22472266), we get a palindrome (88699688).

The spelling of 66227422 in words is "sixty-six million, two hundred twenty-seven thousand, four hundred twenty-two".