2141244 has 72 divisors (see below), whose sum is σ = 6420960. Its totient is φ = 588672.

The previous prime is 2141219. The next prime is 2141257. The reversal of 2141244 is 4421412.

2141244 = T₃₇₇ + T₃₇₈ + ... + T₄₀₄.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7162 + ... + 7454.

It is an arithmetic number, because the mean of its divisors is an integer number (89180).

2^2141244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3210480).

2141244 is an abundant number, since it is smaller than the sum of its proper divisors (4279716).

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

2141244 is a wasteful number, since it uses less digits than its factorization.

2141244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 334 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 2141244 is about 1463.2990125056. The cubic root of 2141244 is about 128.8908396895.

Adding to 2141244 its reverse (4421412), we get a palindrome (6562656).

It can be divided in two parts, 2 and 141244, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 2141244 in words is "two million, one hundred forty-one thousand, two hundred forty-four".