2235420 has 72 divisors (see below), whose sum is σ = 7403760. Its totient is φ = 541440.

The previous prime is 2235403. The next prime is 2235427. The reversal of 2235420 is 245322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2235393 and 2235402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1416 + ... + 2544.

It is an arithmetic number, because the mean of its divisors is an integer number (102830).

2^2235420 is an apocalyptic number.

2235420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2235420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3701880).

2235420 is an abundant number, since it is smaller than the sum of its proper divisors (5168340).

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

2235420 is a wasteful number, since it uses less digits than its factorization.

2235420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2235420 is about 1495.1321011870. The cubic root of 2235420 is about 130.7534160628.

The spelling of 2235420 in words is "two million, two hundred thirty-five thousand, four hundred twenty".