122212148 has 24 divisors (see below), whose sum is σ = 221740680. Its totient is φ = 58867200.

The previous prime is 122212141. The next prime is 122212157. The reversal of 122212148 is 841212221.

It can be written as a sum of positive squares in 4 ways, for example, as 9597604 + 112614544 = 3098^2 + 10612^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212141) 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, 68840 + ... + 70592.

It is an arithmetic number, because the mean of its divisors is an integer number (9239195).

Almost surely, 2^122212148 is an apocalyptic number.

It is an amenable number.

122212148 is a deficient number, since it is larger than the sum of its proper divisors (99528532).

122212148 is a wasteful number, since it uses less digits than its factorization.

122212148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2385 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 122212148 is about 11054.9603346190. The cubic root of 122212148 is about 496.2548822239.

Adding to 122212148 its reverse (841212221), we get a palindrome (963424369).

The spelling of 122212148 in words is "one hundred twenty-two million, two hundred twelve thousand, one hundred forty-eight".