752482221 has 4 divisors (see below), whose sum is σ = 1003309632. Its totient is φ = 501654812.

The previous prime is 752482201. The next prime is 752482223. The reversal of 752482221 is 122284257.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122284257 = 3 ⋅40761419.

It is a cyclic number.

It is not a de Polignac number, because 752482221 - 2¹⁹ = 751957933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (752482223) 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, 125413701 + ... + 125413706.

It is an arithmetic number, because the mean of its divisors is an integer number (250827408).

Almost surely, 2^752482221 is an apocalyptic number.

It is an amenable number.

752482221 is a deficient number, since it is larger than the sum of its proper divisors (250827411).

752482221 is a wasteful number, since it uses less digits than its factorization.

752482221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250827410.

The product of its digits is 17920, while the sum is 33.

The square root of 752482221 is about 27431.4093877803. The cubic root of 752482221 is about 909.5615248614.

The spelling of 752482221 in words is "seven hundred fifty-two million, four hundred eighty-two thousand, two hundred twenty-one".