2237420 has 12 divisors (see below), whose sum is σ = 4698624. Its totient is φ = 894960.

The previous prime is 2237413. The next prime is 2237429. The reversal of 2237420 is 247322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 111871 = 2237420 / (2 + 2 + 3 + 7 + 4 + 2 + 0).

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 3⁷ + 7⁴ + 4⁶ + 2²¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 2237392 and 2237401.

It is not an unprimeable number, because it can be changed into a prime (2237429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55916 + ... + 55955.

It is an arithmetic number, because the mean of its divisors is an integer number (391552).

2^2237420 is an apocalyptic number.

2237420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2237420 is an abundant number, since it is smaller than the sum of its proper divisors (2461204).

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

2237420 is a wasteful number, since it uses less digits than its factorization.

2237420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111880 (or 111878 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2237420 is about 1495.8007888753. The cubic root of 2237420 is about 130.7923988762.

The spelling of 2237420 in words is "two million, two hundred thirty-seven thousand, four hundred twenty".