65552222 has 8 divisors (see below), whose sum is σ = 98371056. Its totient is φ = 32761872.

The previous prime is 65552213. The next prime is 65552239. The reversal of 65552222 is 22225556.

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

It is a nialpdrome in base 10.

It is a congruent number.

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, 98 + ... + 11450.

It is an arithmetic number, because the mean of its divisors is an integer number (12296382).

Almost surely, 2^65552222 is an apocalyptic number.

65552222 is a deficient number, since it is larger than the sum of its proper divisors (32818834).

65552222 is a wasteful number, since it uses less digits than its factorization.

65552222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242.

The product of its digits is 12000, while the sum is 29.

The square root of 65552222 is about 8096.4326712448. The cubic root of 65552222 is about 403.2079989109.

Adding to 65552222 its reverse (22225556), we get a palindrome (87777778).

The spelling of 65552222 in words is "sixty-five million, five hundred fifty-two thousand, two hundred twenty-two".