122216465 has 8 divisors (see below), whose sum is σ = 167611200. Its totient is φ = 83805552.

The previous prime is 122216461. The next prime is 122216483. The reversal of 122216465 is 564612221.

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

It is a cyclic number.

It is not a de Polignac number, because 122216465 - 2² = 122216461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122216461) 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, 1745915 + ... + 1745984.

It is an arithmetic number, because the mean of its divisors is an integer number (20951400).

Almost surely, 2^122216465 is an apocalyptic number.

It is an amenable number.

122216465 is a deficient number, since it is larger than the sum of its proper divisors (45394735).

122216465 is an equidigital number, since it uses as much as digits as its factorization.

122216465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491911.

The product of its digits is 5760, while the sum is 29.

The square root of 122216465 is about 11055.1555846130. The cubic root of 122216465 is about 496.2607253613.

Adding to 122216465 its reverse (564612221), we get a palindrome (686828686).

The spelling of 122216465 in words is "one hundred twenty-two million, two hundred sixteen thousand, four hundred sixty-five".