172224011 has 8 divisors (see below), whose sum is σ = 182979120. Its totient is φ = 161790048.

The previous prime is 172224001. The next prime is 172224053. The reversal of 172224011 is 110422271.

172224011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 172224011 - 2¹⁴ = 172207627 is a prime.

It is a super-2 number, since 2×172224011² = 59322219929856242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172224001) 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, 79181 + ... + 81326.

It is an arithmetic number, because the mean of its divisors is an integer number (22872390).

Almost surely, 2^172224011 is an apocalyptic number.

172224011 is a deficient number, since it is larger than the sum of its proper divisors (10755109).

172224011 is a wasteful number, since it uses less digits than its factorization.

172224011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160573.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 172224011 is about 13123.4146090109. The cubic root of 172224011 is about 556.3711044485.

Adding to 172224011 its reverse (110422271), we get a palindrome (282646282).

The spelling of 172224011 in words is "one hundred seventy-two million, two hundred twenty-four thousand, eleven".