122212245 has 8 divisors (see below), whose sum is σ = 195539616. Its totient is φ = 65179856.

The previous prime is 122212213. The next prime is 122212247. The reversal of 122212245 is 542212221.

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 122212245 - 2⁵ = 122212213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212247) 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, 4073727 + ... + 4073756.

It is an arithmetic number, because the mean of its divisors is an integer number (24442452).

Almost surely, 2^122212245 is an apocalyptic number.

122212245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122212245 is a deficient number, since it is larger than the sum of its proper divisors (73327371).

122212245 is an equidigital number, since it uses as much as digits as its factorization.

122212245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147491.

The product of its digits is 640, while the sum is 21.

The square root of 122212245 is about 11054.9647217890. The cubic root of 122212245 is about 496.2550135167.

Adding to 122212245 its reverse (542212221), we get a palindrome (664424466).

The spelling of 122212245 in words is "one hundred twenty-two million, two hundred twelve thousand, two hundred forty-five".