4022620 has 48 divisors (see below), whose sum is σ = 9838080. Its totient is φ = 1353024.

The previous prime is 4022611. The next prime is 4022657. The reversal of 4022620 is 262204.

4022620 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

4022620 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 4022594 and 4022603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8017 + ... + 8503.

It is an arithmetic number, because the mean of its divisors is an integer number (204960).

Almost surely, 2^4022620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4022620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4919040).

4022620 is an abundant number, since it is smaller than the sum of its proper divisors (5815460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4022620 is a wasteful number, since it uses less digits than its factorization.

4022620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4022620 is about 2005.6470277693. The cubic root of 4022620 is about 159.0387680212.

Adding to 4022620 its reverse (262204), we get a palindrome (4284824).

The spelling of 4022620 in words is "four million, twenty-two thousand, six hundred twenty".