65422479 has 8 divisors (see below), whose sum is σ = 89258752. Its totient is φ = 42600600.

The previous prime is 65422457. The next prime is 65422501. The reversal of 65422479 is 97422456.

It is an interprime number because it is at equal distance from previous prime (65422457) and next prime (65422501).

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

It is not a de Polignac number, because 65422479 - 2⁸ = 65422223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65422079) 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, 253447 + ... + 253704.

It is an arithmetic number, because the mean of its divisors is an integer number (11157344).

Almost surely, 2^65422479 is an apocalyptic number.

65422479 is a deficient number, since it is larger than the sum of its proper divisors (23836273).

65422479 is a wasteful number, since it uses less digits than its factorization.

65422479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507197.

The product of its digits is 120960, while the sum is 39.

The square root of 65422479 is about 8088.4163468506. The cubic root of 65422479 is about 402.9418092723.

The spelling of 65422479 in words is "sixty-five million, four hundred twenty-two thousand, four hundred seventy-nine".