4487222621 has 8 divisors (see below), whose sum is σ = 5149535424. Its totient is φ = 3830230080.

The previous prime is 4487222617. The next prime is 4487222669. The reversal of 4487222621 is 1262227844.

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 4487222621 - 2² = 4487222617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4487222221) 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, 1328255 + ... + 1331628.

It is an arithmetic number, because the mean of its divisors is an integer number (643691928).

Almost surely, 2^4487222621 is an apocalyptic number.

It is an amenable number.

4487222621 is a deficient number, since it is larger than the sum of its proper divisors (662312803).

4487222621 is a wasteful number, since it uses less digits than its factorization.

4487222621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660131.

The product of its digits is 86016, while the sum is 38.

The square root of 4487222621 is about 66986.7346644095. The cubic root of 4487222621 is about 1649.3995514602.

The spelling of 4487222621 in words is "four billion, four hundred eighty-seven million, two hundred twenty-two thousand, six hundred twenty-one".