172223416 has 32 divisors (see below), whose sum is σ = 333066240. Its totient is φ = 83442528.

The previous prime is 172223371. The next prime is 172223417. The reversal of 172223416 is 614322271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172223417) 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, 36505 + ... + 40951.

It is an arithmetic number, because the mean of its divisors is an integer number (10408320).

Almost surely, 2^172223416 is an apocalyptic number.

It is an amenable number.

172223416 is a deficient number, since it is larger than the sum of its proper divisors (160842824).

172223416 is a wasteful number, since it uses less digits than its factorization.

172223416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603 (or 4599 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 172223416 is about 13123.3919395864. The cubic root of 172223416 is about 556.3704637303.

Adding to 172223416 its reverse (614322271), we get a palindrome (786545687).

The spelling of 172223416 in words is "one hundred seventy-two million, two hundred twenty-three thousand, four hundred sixteen".