3620022 has 32 divisors (see below), whose sum is σ = 8448000. Its totient is φ = 1033704.

The previous prime is 3620021. The next prime is 3620033. The reversal of 3620022 is 2200263.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3619983 and 3620010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (264000).

Almost surely, 2^3620022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3620022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4224000).

3620022 is an abundant number, since it is smaller than the sum of its proper divisors (4827978).

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

3620022 is a wasteful number, since it uses less digits than its factorization.

3620022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3620022 is about 1902.6355405069. The cubic root of 3620022 is about 153.5454918623.

Adding to 3620022 its reverse (2200263), we get a palindrome (5820285).

The spelling of 3620022 in words is "three million, six hundred twenty thousand, twenty-two".