65234220 has 48 divisors (see below), whose sum is σ = 192272640. Its totient is φ = 16479936.

The previous prime is 65234209. The next prime is 65234251. The reversal of 65234220 is 2243256.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27472 + ... + 29751.

It is an arithmetic number, because the mean of its divisors is an integer number (4005680).

Almost surely, 2^65234220 is an apocalyptic number.

65234220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65234220 is an abundant number, since it is smaller than the sum of its proper divisors (127038420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65234220 is a wasteful number, since it uses less digits than its factorization.

65234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57254 (or 57252 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 65234220 is about 8076.7703941613. The cubic root of 65234220 is about 402.5549376550.

Adding to 65234220 its reverse (2243256), we get a palindrome (67477476).

The spelling of 65234220 in words is "sixty-five million, two hundred thirty-four thousand, two hundred twenty".