65904022 has 4 divisors (see below), whose sum is σ = 98856036. Its totient is φ = 32952010.

The previous prime is 65904001. The next prime is 65904023. The reversal of 65904022 is 22040956.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65904023) by changing a digit.

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 as a sum of consecutive naturals, namely, 16476004 + ... + 16476007.

It is an arithmetic number, because the mean of its divisors is an integer number (24714009).

Almost surely, 2^65904022 is an apocalyptic number.

65904022 is a deficient number, since it is larger than the sum of its proper divisors (32952014).

65904022 is a wasteful number, since it uses less digits than its factorization.

65904022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32952013.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 65904022 is about 8118.1292179911. The cubic root of 65904022 is about 403.9280130209.

Adding to 65904022 its reverse (22040956), we get a palindrome (87944978).

The spelling of 65904022 in words is "sixty-five million, nine hundred four thousand, twenty-two".