2229924 has 36 divisors (see below), whose sum is σ = 5535824. Its totient is φ = 698496.

The previous prime is 2229917. The next prime is 2229943. The reversal of 2229924 is 4299222.

It is a super-2 number, since 2×2229924² = 9945122091552, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 2⁹ + 2¹⁷ + 9² + 9² + 2²¹ + 4⁵ .

It is a junction number, because it is equal to n+sod(n) for n = 2229891 and 2229900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3147 + ... + 3789.

2^2229924 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 2229924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767912).

2229924 is an abundant number, since it is smaller than the sum of its proper divisors (3305900).

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

2229924 is a wasteful number, since it uses less digits than its factorization.

2229924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 665 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 2229924 is about 1493.2930054078. The cubic root of 2229924 is about 130.6461714118.

The spelling of 2229924 in words is "two million, two hundred twenty-nine thousand, nine hundred twenty-four".