2229944 has 8 divisors (see below), whose sum is σ = 4181160. Its totient is φ = 1114968.

The previous prime is 2229943. The next prime is 2229959. The reversal of 2229944 is 4499222.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 2²¹ + 9³ + 9³ + 4 + 4⁴ .

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2229944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139364 + ... + 139379.

It is an arithmetic number, because the mean of its divisors is an integer number (522645).

2^2229944 is an apocalyptic number.

It is an amenable number.

2229944 is a deficient number, since it is larger than the sum of its proper divisors (1951216).

2229944 is a wasteful number, since it uses less digits than its factorization.

2229944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278749 (or 278745 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 2229944 is about 1493.2997020022. The cubic root of 2229944 is about 130.6465619954.

The spelling of 2229944 in words is "two million, two hundred twenty-nine thousand, nine hundred forty-four".