224554421 has 16 divisors (see below), whose sum is σ = 285293568. Its totient is φ = 171936000.

The previous prime is 224554403. The next prime is 224554433. The reversal of 224554421 is 124455422.

It is a cyclic number.

It is not a de Polignac number, because 224554421 - 2⁶ = 224554357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224554621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36980 + ... + 42621.

It is an arithmetic number, because the mean of its divisors is an integer number (17830848).

Almost surely, 2^224554421 is an apocalyptic number.

It is an amenable number.

224554421 is a deficient number, since it is larger than the sum of its proper divisors (60739147).

224554421 is a wasteful number, since it uses less digits than its factorization.

224554421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79652.

The product of its digits is 12800, while the sum is 29.

The square root of 224554421 is about 14985.1400060193. The cubic root of 224554421 is about 607.8184377147.

The spelling of 224554421 in words is "two hundred twenty-four million, five hundred fifty-four thousand, four hundred twenty-one".