65422725 has 24 divisors (see below), whose sum is σ = 108421632. Its totient is φ = 34809600.

The previous prime is 65422667. The next prime is 65422727. The reversal of 65422725 is 52722456.

65422725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65422725 - 2⁶ = 65422661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65422727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43740 + ... + 45210.

It is an arithmetic number, because the mean of its divisors is an integer number (4517568).

Almost surely, 2^65422725 is an apocalyptic number.

It is an amenable number.

65422725 is a deficient number, since it is larger than the sum of its proper divisors (42998907).

65422725 is a wasteful number, since it uses less digits than its factorization.

65422725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2072 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 65422725 is about 8088.4315537686. The cubic root of 65422725 is about 402.9423143157.

The spelling of 65422725 in words is "sixty-five million, four hundred twenty-two thousand, seven hundred twenty-five".