4022365 has 4 divisors (see below), whose sum is σ = 4826844. Its totient is φ = 3217888.

The previous prime is 4022341. The next prime is 4022371. The reversal of 4022365 is 5632204.

It is a happy number.

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 2452356 + 1570009 = 1566^2 + 1253^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022365 - 2¹³ = 4014173 is a prime.

It is a Duffinian number.

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, 402232 + ... + 402241.

It is an arithmetic number, because the mean of its divisors is an integer number (1206711).

Almost surely, 2^4022365 is an apocalyptic number.

It is an amenable number.

4022365 is a deficient number, since it is larger than the sum of its proper divisors (804479).

4022365 is an equidigital number, since it uses as much as digits as its factorization.

4022365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804478.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4022365 is about 2005.5834562541. The cubic root of 4022365 is about 159.0354073804.

Adding to 4022365 its reverse (5632204), we get a palindrome (9654569).

The spelling of 4022365 in words is "four million, twenty-two thousand, three hundred sixty-five".