122212526 has 8 divisors (see below), whose sum is σ = 185639520. Its totient is φ = 60332688.

The previous prime is 122212523. The next prime is 122212529. The reversal of 122212526 is 625212221.

It is an interprime number because it is at equal distance from previous prime (122212523) and next prime (122212529).

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

It is a super-2 number, since 2×122212526² = 29871803022601352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386591 + ... + 386906.

It is an arithmetic number, because the mean of its divisors is an integer number (23204940).

Almost surely, 2^122212526 is an apocalyptic number.

122212526 is a deficient number, since it is larger than the sum of its proper divisors (63426994).

122212526 is an equidigital number, since it uses as much as digits as its factorization.

122212526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773578.

The product of its digits is 960, while the sum is 23.

The square root of 122212526 is about 11054.9774310036. The cubic root of 122212526 is about 496.2553938592.

Adding to 122212526 its reverse (625212221), we get a palindrome (747424747).

The spelling of 122212526 in words is "one hundred twenty-two million, two hundred twelve thousand, five hundred twenty-six".