2216924 has 12 divisors (see below), whose sum is σ = 4048464. Its totient is φ = 1060224.

The previous prime is 2216917. The next prime is 2216941. The reversal of 2216924 is 4296122.

It is a super-3 number, since 3×2216924³ = 32686895133371211072, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2 + 2¹³ + 1 + 6⁸ + 9³ + 2¹⁹ + 4⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2216893 and 2216902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11957 + ... + 12140.

It is an arithmetic number, because the mean of its divisors is an integer number (337372).

2^2216924 is an apocalyptic number.

It is an amenable number.

2216924 is a deficient number, since it is larger than the sum of its proper divisors (1831540).

2216924 is a wasteful number, since it uses less digits than its factorization.

2216924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24124 (or 24122 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 2216924 is about 1488.9338467508. The cubic root of 2216924 is about 130.3917963148.

The spelling of 2216924 in words is "two million, two hundred sixteen thousand, nine hundred twenty-four".