1722457248 has 48 divisors (see below), whose sum is σ = 4533863040. Its totient is φ = 572576256.

The previous prime is 1722457199. The next prime is 1722457249. The reversal of 1722457248 is 8427542271.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1722457249) 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, 10788 + ... + 59676.

It is an arithmetic number, because the mean of its divisors is an integer number (94455480).

Almost surely, 2^1722457248 is an apocalyptic number.

It is an amenable number.

1722457248 is an abundant number, since it is smaller than the sum of its proper divisors (2811405792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1722457248 is a wasteful number, since it uses less digits than its factorization.

1722457248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49269 (or 49261 counting only the distinct ones).

The product of its digits is 250880, while the sum is 42.

The square root of 1722457248 is about 41502.4968887415. The cubic root of 1722457248 is about 1198.7155812698.

The spelling of 1722457248 in words is "one billion, seven hundred twenty-two million, four hundred fifty-seven thousand, two hundred forty-eight".