4022623 has 12 divisors (see below), whose sum is σ = 4636008. Its totient is φ = 3461040.

The previous prime is 4022611. The next prime is 4022657. The reversal of 4022623 is 3262204.

It is not a de Polignac number, because 4022623 - 2⁹ = 4022111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4022623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3465 + ... + 4477.

It is an arithmetic number, because the mean of its divisors is an integer number (386334).

Almost surely, 2^4022623 is an apocalyptic number.

4022623 is a deficient number, since it is larger than the sum of its proper divisors (613385).

4022623 is a wasteful number, since it uses less digits than its factorization.

4022623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4022623 is about 2005.6477756575. The cubic root of 4022623 is about 159.0388075573.

Adding to 4022623 its reverse (3262204), we get a palindrome (7284827).

It can be divided in two parts, 402 and 2623, that added together give a square (3025 = 55²).

The spelling of 4022623 in words is "four million, twenty-two thousand, six hundred twenty-three".