65622361 has 4 divisors (see below), whose sum is σ = 74996992. Its totient is φ = 56247732.

The previous prime is 65622341. The next prime is 65622367. The reversal of 65622361 is 16322656.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65622361 - 2⁷ = 65622233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65622367) 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, 4687305 + ... + 4687318.

It is an arithmetic number, because the mean of its divisors is an integer number (18749248).

Almost surely, 2^65622361 is an apocalyptic number.

It is an amenable number.

65622361 is a deficient number, since it is larger than the sum of its proper divisors (9374631).

65622361 is an equidigital number, since it uses as much as digits as its factorization.

65622361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9374630.

The product of its digits is 12960, while the sum is 31.

The square root of 65622361 is about 8100.7629887561. The cubic root of 65622361 is about 403.3517546550.

The spelling of 65622361 in words is "sixty-five million, six hundred twenty-two thousand, three hundred sixty-one".