65450222 has 8 divisors (see below), whose sum is σ = 99147672. Its totient is φ = 32401000.

The previous prime is 65450219. The next prime is 65450233. The reversal of 65450222 is 22205456.

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 = 65450191 and 65450200.

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, 161804 + ... + 162207.

It is an arithmetic number, because the mean of its divisors is an integer number (12393459).

Almost surely, 2^65450222 is an apocalyptic number.

65450222 is a deficient number, since it is larger than the sum of its proper divisors (33697450).

65450222 is a wasteful number, since it uses less digits than its factorization.

65450222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324114.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 65450222 is about 8090.1311485043. The cubic root of 65450222 is about 402.9987582752.

Adding to 65450222 its reverse (22205456), we get a palindrome (87655678).

The spelling of 65450222 in words is "sixty-five million, four hundred fifty thousand, two hundred twenty-two".