658222449 has 8 divisors (see below), whose sum is σ = 880626432. Its totient is φ = 437316720.

The previous prime is 658222399. The next prime is 658222463. The reversal of 658222449 is 944222856.

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

It is not a de Polignac number, because 658222449 - 2¹⁶ = 658156913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 658222449.

It is not an unprimeable number, because it can be changed into a prime (658222249) 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, 373537 + ... + 375294.

It is an arithmetic number, because the mean of its divisors is an integer number (110078304).

Almost surely, 2^658222449 is an apocalyptic number.

It is an amenable number.

658222449 is a deficient number, since it is larger than the sum of its proper divisors (222403983).

658222449 is a wasteful number, since it uses less digits than its factorization.

658222449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749127.

The product of its digits is 276480, while the sum is 42.

The square root of 658222449 is about 25655.8462928043. The cubic root of 658222449 is about 869.8764298006.

The spelling of 658222449 in words is "six hundred fifty-eight million, two hundred twenty-two thousand, four hundred forty-nine".