122198448 has 120 divisors (see below), whose sum is σ = 350834688. Its totient is φ = 36574208.

The previous prime is 122198437. The next prime is 122198473. The reversal of 122198448 is 844891221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318865 + ... + 319247.

Almost surely, 2^122198448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122198448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175417344).

122198448 is an abundant number, since it is smaller than the sum of its proper divisors (228636240).

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

122198448 is a wasteful number, since it uses less digits than its factorization.

122198448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 428 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 122198448 is about 11054.3406859025. The cubic root of 122198448 is about 496.2363381156.

The spelling of 122198448 in words is "one hundred twenty-two million, one hundred ninety-eight thousand, four hundred forty-eight".