65522230 has 16 divisors (see below), whose sum is σ = 120450240. Its totient is φ = 25651072.

The previous prime is 65522201. The next prime is 65522269. The reversal of 65522230 is 3222556.

It is a junction number, because it is equal to n+sod(n) for n = 65522195 and 65522204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69235 + ... + 70174.

It is an arithmetic number, because the mean of its divisors is an integer number (7528140).

Almost surely, 2^65522230 is an apocalyptic number.

65522230 is a deficient number, since it is larger than the sum of its proper divisors (54928010).

65522230 is a wasteful number, since it uses less digits than its factorization.

65522230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139463.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 65522230 is about 8094.5802855985. The cubic root of 65522230 is about 403.1464965001.

Adding to 65522230 its reverse (3222556), we get a palindrome (68744786).

The spelling of 65522230 in words is "sixty-five million, five hundred twenty-two thousand, two hundred thirty".