2237742 has 48 divisors (see below), whose sum is σ = 5333328. Its totient is φ = 673920.

The previous prime is 2237701. The next prime is 2237743. The reversal of 2237742 is 2477322.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2237743) 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, 17017 + ... + 17147.

It is an arithmetic number, because the mean of its divisors is an integer number (111111).

2^2237742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2237742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2666664).

2237742 is an abundant number, since it is smaller than the sum of its proper divisors (3095586).

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

2237742 is a wasteful number, since it uses less digits than its factorization.

2237742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 222 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 2237742 is about 1495.9084196568. The cubic root of 2237742 is about 130.7986729377.

The spelling of 2237742 in words is "two million, two hundred thirty-seven thousand, seven hundred forty-two".