65224132 has 36 divisors (see below), whose sum is σ = 121485420. Its totient is φ = 30593472.

The previous prime is 65224129. The next prime is 65224141. The reversal of 65224132 is 23142256.

It can be written as a sum of positive squares in 2 ways, for example, as 40780996 + 24443136 = 6386^2 + 4944^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65224097 and 65224106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633193 + ... + 633295.

It is an arithmetic number, because the mean of its divisors is an integer number (3374595).

Almost surely, 2^65224132 is an apocalyptic number.

It is an amenable number.

65224132 is a deficient number, since it is larger than the sum of its proper divisors (56261288).

65224132 is a wasteful number, since it uses less digits than its factorization.

65224132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 187 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 65224132 is about 8076.1458629720. The cubic root of 65224132 is about 402.5341858494.

Adding to 65224132 its reverse (23142256), we get a palindrome (88366388).

It can be divided in two parts, 65224 and 132, that added together give a palindrome (65356).

The spelling of 65224132 in words is "sixty-five million, two hundred twenty-four thousand, one hundred thirty-two".