Adding to 2214541 its reverse (1454122), we get a palindrome (3668663).
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1454122 = 2 ⋅727061.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
22214541 is an apocalyptic number.
It is an amenable number.
2214541 is an equidigital number, since it uses as much as digits as its factorization.
2214541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316370.
The square root of 2214541 is about 1488.1333945584. The cubic root of 2214541 is about 130.3450596276.
The spelling of 2214541 in words is "two million, two hundred fourteen thousand, five hundred forty-one".