65225088 has 128 divisors (see below), whose sum is σ = 195717600. Its totient is φ = 21648384.

The previous prime is 65225087. The next prime is 65225099. The reversal of 65225088 is 88052256.

65225088 is a `hidden beast` number, since 6 + 522 + 50 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65225087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279820 + ... + 280052.

Almost surely, 2^65225088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65225088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97858800).

65225088 is an abundant number, since it is smaller than the sum of its proper divisors (130492512).

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

65225088 is an frugal number, since it uses more digits than its factorization.

65225088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 65225088 is about 8076.2050494028. The cubic root of 65225088 is about 402.5361525080.

The spelling of 65225088 in words is "sixty-five million, two hundred twenty-five thousand, eighty-eight".