122217537 has 8 divisors (see below), whose sum is σ = 175491904. Its totient is φ = 75210768.

The previous prime is 122217533. The next prime is 122217541. The reversal of 122217537 is 735712221.

It is an interprime number because it is at equal distance from previous prime (122217533) and next prime (122217541).

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

It is not a de Polignac number, because 122217537 - 2² = 122217533 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122217533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566853 + ... + 1566930.

It is an arithmetic number, because the mean of its divisors is an integer number (21936488).

Almost surely, 2^122217537 is an apocalyptic number.

It is an amenable number.

122217537 is a deficient number, since it is larger than the sum of its proper divisors (53274367).

122217537 is a wasteful number, since it uses less digits than its factorization.

122217537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133799.

The product of its digits is 5880, while the sum is 30.

The square root of 122217537 is about 11055.2040686728. The cubic root of 122217537 is about 496.2621763113.

Adding to 122217537 its reverse (735712221), we get a palindrome (857929758).

The spelling of 122217537 in words is "one hundred twenty-two million, two hundred seventeen thousand, five hundred thirty-seven".