172225743 has 8 divisors (see below), whose sum is σ = 230452656. Its totient is φ = 114408000.

The previous prime is 172225741. The next prime is 172225763. The reversal of 172225743 is 347522271.

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

It is not a de Polignac number, because 172225743 - 2¹ = 172225741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172225741) 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, 101308 + ... + 102993.

It is an arithmetic number, because the mean of its divisors is an integer number (28806582).

Almost surely, 2^172225743 is an apocalyptic number.

172225743 is a deficient number, since it is larger than the sum of its proper divisors (58226913).

172225743 is a wasteful number, since it uses less digits than its factorization.

172225743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204585.

The product of its digits is 23520, while the sum is 33.

The square root of 172225743 is about 13123.4805977683. The cubic root of 172225743 is about 556.3729695224.

The spelling of 172225743 in words is "one hundred seventy-two million, two hundred twenty-five thousand, seven hundred forty-three".