66922234 has 8 divisors (see below), whose sum is σ = 106288308. Its totient is φ = 31492800.

The previous prime is 66922231. The next prime is 66922253. The reversal of 66922234 is 43222966.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65367225 + 1555009 = 8085^2 + 1247^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1968301 = 66922234 / (6 + 6 + 9 + 2 + 2 + 2 + 3 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 66922234.

It is not an unprimeable number, because it can be changed into a prime (66922231) 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, 984117 + ... + 984184.

Almost surely, 2^66922234 is an apocalyptic number.

66922234 is a deficient number, since it is larger than the sum of its proper divisors (39366074).

66922234 is a wasteful number, since it uses less digits than its factorization.

66922234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968320.

The product of its digits is 31104, while the sum is 34.

The square root of 66922234 is about 8180.6010781605. The cubic root of 66922234 is about 405.9976097314.

The spelling of 66922234 in words is "sixty-six million, nine hundred twenty-two thousand, two hundred thirty-four".