2214621 has 20 divisors (see below), whose sum is σ = 3484800. Its totient is φ = 1397736.

The previous prime is 2214599. The next prime is 2214623. The reversal of 2214621 is 1264122.

It is not a de Polignac number, because 2214621 - 2⁷ = 2214493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2214594 and 2214603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 820 + ... + 2258.

It is an arithmetic number, because the mean of its divisors is an integer number (174240).

2^2214621 is an apocalyptic number.

It is an amenable number.

2214621 is a deficient number, since it is larger than the sum of its proper divisors (1270179).

2214621 is a wasteful number, since it uses less digits than its factorization.

2214621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1461 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2214621 is about 1488.1602736265. The cubic root of 2214621 is about 130.3466291747.

Adding to 2214621 its reverse (1264122), we get a palindrome (3478743).

The spelling of 2214621 in words is "two million, two hundred fourteen thousand, six hundred twenty-one".