66022226 has 8 divisors (see below), whose sum is σ = 104245680. Its totient is φ = 31273668.

The previous prime is 66022211. The next prime is 66022273. The reversal of 66022226 is 62222066.

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

It is a junction number, because it is equal to n+sod(n) for n = 66022195 and 66022204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868676 + ... + 868751.

It is an arithmetic number, because the mean of its divisors is an integer number (13030710).

Almost surely, 2^66022226 is an apocalyptic number.

66022226 is a deficient number, since it is larger than the sum of its proper divisors (38223454).

66022226 is a wasteful number, since it uses less digits than its factorization.

66022226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737448.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66022226 is about 8125.4062052306. The cubic root of 66022226 is about 404.1693609107.

The spelling of 66022226 in words is "sixty-six million, twenty-two thousand, two hundred twenty-six".