480737221 has 4 divisors (see below), whose sum is σ = 506039200. Its totient is φ = 455435244.

The previous prime is 480737207. The next prime is 480737233. The reversal of 480737221 is 122737084.

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.

It is not a de Polignac number, because 480737221 - 2⁹ = 480736709 is a prime.

It is a super-3 number, since 3×480737221³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480731221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12650961 + ... + 12650998.

It is an arithmetic number, because the mean of its divisors is an integer number (126509800).

Almost surely, 2^480737221 is an apocalyptic number.

It is an amenable number.

480737221 is a deficient number, since it is larger than the sum of its proper divisors (25301979).

480737221 is a wasteful number, since it uses less digits than its factorization.

480737221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25301978.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 480737221 is about 21925.7205354807. The cubic root of 480737221 is about 783.3741735560.

The spelling of 480737221 in words is "four hundred eighty million, seven hundred thirty-seven thousand, two hundred twenty-one".