4221487575 has 18 divisors (see below), whose sum is σ = 7561153704. Its totient is φ = 2251459920.

The previous prime is 4221487537. The next prime is 4221487579. The reversal of 4221487575 is 5757841224.

It is not a de Polignac number, because 4221487575 - 2⁹ = 4221487063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4221487575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221487579) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9380859 + ... + 9381308.

Almost surely, 2^4221487575 is an apocalyptic number.

4221487575 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4221487575 is a deficient number, since it is larger than the sum of its proper divisors (3339666129).

4221487575 is a wasteful number, since it uses less digits than its factorization.

4221487575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18762183 (or 18762175 counting only the distinct ones).

The product of its digits is 627200, while the sum is 45.

The square root of 4221487575 is about 64972.9757283749. The cubic root of 4221487575 is about 1616.1754487104.

The spelling of 4221487575 in words is "four billion, two hundred twenty-one million, four hundred eighty-seven thousand, five hundred seventy-five".