224620621 has 8 divisors (see below), whose sum is σ = 228458880. Its totient is φ = 220807392.

The previous prime is 224620619. The next prime is 224620639. The reversal of 224620621 is 126026422.

224620621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 224620621 - 2¹ = 224620619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224620601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12306 + ... + 24508.

It is an arithmetic number, because the mean of its divisors is an integer number (28557360).

Almost surely, 2^224620621 is an apocalyptic number.

It is an amenable number.

224620621 is a deficient number, since it is larger than the sum of its proper divisors (3838259).

224620621 is a wasteful number, since it uses less digits than its factorization.

224620621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 224620621 is about 14987.3486981521. The cubic root of 224620621 is about 607.8781613620.

The spelling of 224620621 in words is "two hundred twenty-four million, six hundred twenty thousand, six hundred twenty-one".