122206452 has 24 divisors (see below), whose sum is σ = 297546816. Its totient is φ = 38964288.

The previous prime is 122206451. The next prime is 122206471. The reversal of 122206452 is 254602221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122206451) 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, 221113 + ... + 221664.

It is an arithmetic number, because the mean of its divisors is an integer number (12397784).

Almost surely, 2^122206452 is an apocalyptic number.

122206452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122206452 is an abundant number, since it is smaller than the sum of its proper divisors (175340364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122206452 is a wasteful number, since it uses less digits than its factorization.

122206452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442807 (or 442805 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 122206452 is about 11054.7027097069. The cubic root of 122206452 is about 496.2471723746.

Adding to 122206452 its reverse (254602221), we get a palindrome (376808673).

The spelling of 122206452 in words is "one hundred twenty-two million, two hundred six thousand, four hundred fifty-two".