2253420 has 120 divisors (see below), whose sum is σ = 7683984. Its totient is φ = 549504.

The previous prime is 2253409. The next prime is 2253439. The reversal of 2253420 is 243522.

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 = 2253393 and 2253402.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21007 + ... + 21113.

2^2253420 is an apocalyptic number.

2253420 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 2253420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3841992).

2253420 is an abundant number, since it is smaller than the sum of its proper divisors (5430564).

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

2253420 is a wasteful number, since it uses less digits than its factorization.

2253420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

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

The square root of 2253420 is about 1501.1395671289. The cubic root of 2253420 is about 131.1034282155.

Adding to 2253420 its reverse (243522), we get a palindrome (2496942).

The spelling of 2253420 in words is "two million, two hundred fifty-three thousand, four hundred twenty".