4022465 has 4 divisors (see below), whose sum is σ = 4826964. Its totient is φ = 3217968.

The previous prime is 4022449. The next prime is 4022477. The reversal of 4022465 is 5642204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 1459264 = 1601^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022465 - 2⁴ = 4022449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4022465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402242 + ... + 402251.

It is an arithmetic number, because the mean of its divisors is an integer number (1206741).

Almost surely, 2^4022465 is an apocalyptic number.

It is an amenable number.

4022465 is a deficient number, since it is larger than the sum of its proper divisors (804499).

4022465 is an equidigital number, since it uses as much as digits as its factorization.

4022465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804498.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4022465 is about 2005.6083865002. The cubic root of 4022465 is about 159.0367252957.

Adding to 4022465 its reverse (5642204), we get a palindrome (9664669).

The spelling of 4022465 in words is "four million, twenty-two thousand, four hundred sixty-five".