172422413 has 4 divisors (see below), whose sum is σ = 174004380. Its totient is φ = 170840448.

The previous prime is 172422407. The next prime is 172422427. The reversal of 172422413 is 314224271.

172422413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314224271 = 3539 ⋅88789.

It can be written as a sum of positive squares in 2 ways, for example, as 106048804 + 66373609 = 10298^2 + 8147^2 .

It is a cyclic number.

It is not a de Polignac number, because 172422413 - 2²⁰ = 171373837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172422493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790820 + ... + 791037.

It is an arithmetic number, because the mean of its divisors is an integer number (43501095).

Almost surely, 2^172422413 is an apocalyptic number.

It is an amenable number.

172422413 is a deficient number, since it is larger than the sum of its proper divisors (1581967).

172422413 is a wasteful number, since it uses less digits than its factorization.

172422413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581966.

The product of its digits is 2688, while the sum is 26.

The square root of 172422413 is about 13130.9715177515. The cubic root of 172422413 is about 556.5846688996.

Adding to 172422413 its reverse (314224271), we get a palindrome (486646684).

The spelling of 172422413 in words is "one hundred seventy-two million, four hundred twenty-two thousand, four hundred thirteen".