65422155 has 8 divisors (see below), whose sum is σ = 104675472. Its totient is φ = 34891808.

The previous prime is 65422153. The next prime is 65422207. The reversal of 65422155 is 55122456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65422155 - 2¹ = 65422153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65422153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180724 + ... + 2180753.

It is an arithmetic number, because the mean of its divisors is an integer number (13084434).

Almost surely, 2^65422155 is an apocalyptic number.

65422155 is a deficient number, since it is larger than the sum of its proper divisors (39253317).

65422155 is a wasteful number, since it uses less digits than its factorization.

65422155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361485.

The product of its digits is 12000, while the sum is 30.

The square root of 65422155 is about 8088.3963181832. The cubic root of 65422155 is about 402.9411440914.

The spelling of 65422155 in words is "sixty-five million, four hundred twenty-two thousand, one hundred fifty-five".