659222447 has 24 divisors (see below), whose sum is σ = 766544688. Its totient is φ = 561496320.

The previous prime is 659222419. The next prime is 659222449. The reversal of 659222447 is 744222956.

It is not a de Polignac number, because 659222447 - 2⁶ = 659222383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659222449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3124172 + ... + 3124382.

It is an arithmetic number, because the mean of its divisors is an integer number (31939362).

Almost surely, 2^659222447 is an apocalyptic number.

659222447 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

659222447 is a deficient number, since it is larger than the sum of its proper divisors (107322241).

659222447 is a wasteful number, since it uses less digits than its factorization.

659222447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 308 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 659222447 is about 25675.3275928468. The cubic root of 659222447 is about 870.3167239831.

The spelling of 659222447 in words is "six hundred fifty-nine million, two hundred twenty-two thousand, four hundred forty-seven".