122247456 has 24 divisors (see below), whose sum is σ = 320899824. Its totient is φ = 40749120.

The previous prime is 122247443. The next prime is 122247457. The reversal of 122247456 is 654742221.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (122247457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636610 + ... + 636801.

It is an arithmetic number, because the mean of its divisors is an integer number (13370826).

Almost surely, 2^122247456 is an apocalyptic number.

122247456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122247456 is an abundant number, since it is smaller than the sum of its proper divisors (198652368).

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

122247456 is a wasteful number, since it uses less digits than its factorization.

122247456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273424 (or 1273416 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 122247456 is about 11056.5571494928. The cubic root of 122247456 is about 496.3026681998.

Adding to 122247456 its reverse (654742221), we get a palindrome (776989677).

The spelling of 122247456 in words is "one hundred twenty-two million, two hundred forty-seven thousand, four hundred fifty-six".