2216454 has 8 divisors (see below), whose sum is σ = 4432920. Its totient is φ = 738816.

The previous prime is 2216437. The next prime is 2216471. The reversal of 2216454 is 4546122.

It is an interprime number because it is at equal distance from previous prime (2216437) and next prime (2216471).

It is a sphenic number, since it is the product of 3 distinct primes.

2216454 is an admirable number.

It is a d-powerful number, because it can be written as 2¹⁵ + 2²¹ + 1 + 6³ + 4⁶ + 5⁷ + 4⁶ .

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, 184699 + ... + 184710.

It is an arithmetic number, because the mean of its divisors is an integer number (554115).

2^2216454 is an apocalyptic number.

2216454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2216454 is a wasteful number, since it uses less digits than its factorization.

2216454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369414.

The product of its digits is 1920, while the sum is 24.

The square root of 2216454 is about 1488.7760073295. The cubic root of 2216454 is about 130.3825810725.

The spelling of 2216454 in words is "two million, two hundred sixteen thousand, four hundred fifty-four".