2269944 has 80 divisors (see below), whose sum is σ = 6621120. Its totient is φ = 725760.

The previous prime is 2269931. The next prime is 2269961. The reversal of 2269944 is 4499622.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

Its product of digits (31104) is a multiple of the sum of its prime factors (162).

It is a junction number, because it is equal to n+sod(n) for n = 2269899 and 2269908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20032 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (82764).

2^2269944 is an apocalyptic number.

2269944 is a gapful number since it is divisible by the number (24) 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 2269944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3310560).

2269944 is an abundant number, since it is smaller than the sum of its proper divisors (4351176).

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

2269944 is a wasteful number, since it uses less digits than its factorization.

2269944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 149 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2269944 is about 1506.6333329646. The cubic root of 2269944 is about 131.4231022119.

The spelling of 2269944 in words is "two million, two hundred sixty-nine thousand, nine hundred forty-four".