65225544 has 16 divisors (see below), whose sum is σ = 163063920. Its totient is φ = 21741840.

The previous prime is 65225543. The next prime is 65225551. The reversal of 65225544 is 44552256.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65225543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358842 + ... + 1358889.

It is an arithmetic number, because the mean of its divisors is an integer number (10191495).

Almost surely, 2^65225544 is an apocalyptic number.

It is an amenable number.

65225544 is an abundant number, since it is smaller than the sum of its proper divisors (97838376).

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

65225544 is a wasteful number, since it uses less digits than its factorization.

65225544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717740 (or 2717736 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 65225544 is about 8076.2332804346. The cubic root of 65225544 is about 402.5370905727.

The spelling of 65225544 in words is "sixty-five million, two hundred twenty-five thousand, five hundred forty-four".