4221454 has 8 divisors (see below), whose sum is σ = 6388560. Its totient is φ = 2091936.

The previous prime is 4221449. The next prime is 4221467. The reversal of 4221454 is 4541224.

It is a happy number.

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

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, 9114 + ... + 9565.

It is an arithmetic number, because the mean of its divisors is an integer number (798570).

Almost surely, 2^4221454 is an apocalyptic number.

4221454 is a deficient number, since it is larger than the sum of its proper divisors (2167106).

4221454 is a wasteful number, since it uses less digits than its factorization.

4221454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18794.

The product of its digits is 1280, while the sum is 22.

The square root of 4221454 is about 2054.6177260016. The cubic root of 4221454 is about 161.6171164025.

Adding to 4221454 its reverse (4541224), we get a palindrome (8762678).

The spelling of 4221454 in words is "four million, two hundred twenty-one thousand, four hundred fifty-four".