4450220015 has 8 divisors (see below), whose sum is σ = 5350138368. Its totient is φ = 3553593120.

The previous prime is 4450220003. The next prime is 4450220017. The reversal of 4450220015 is 5100220544.

It is a happy number.

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

It is not a de Polignac number, because 4450220015 - 2⁶ = 4450219951 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 (4450220017) 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, 819887 + ... + 825296.

It is an arithmetic number, because the mean of its divisors is an integer number (668767296).

Almost surely, 2^4450220015 is an apocalyptic number.

4450220015 is a deficient number, since it is larger than the sum of its proper divisors (899918353).

4450220015 is a wasteful number, since it uses less digits than its factorization.

4450220015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645729.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4450220015 is about 66709.9693823944. The cubic root of 4450220015 is about 1644.8532637041.

Adding to 4450220015 its reverse (5100220544), we get a palindrome (9550440559).

The spelling of 4450220015 in words is "four billion, four hundred fifty million, two hundred twenty thousand, fifteen".