122281448 has 16 divisors (see below), whose sum is σ = 235474980. Its totient is φ = 59488128.

The previous prime is 122281403. The next prime is 122281457. The reversal of 122281448 is 844182221.

It can be written as a sum of positive squares in 2 ways, for example, as 100360324 + 21921124 = 10018^2 + 4682^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206261 + ... + 206852.

Almost surely, 2^122281448 is an apocalyptic number.

It is an amenable number.

122281448 is a deficient number, since it is larger than the sum of its proper divisors (113193532).

122281448 is a wasteful number, since it uses less digits than its factorization.

122281448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413156 (or 413152 counting only the distinct ones).

The product of its digits is 8192, while the sum is 32.

The square root of 122281448 is about 11058.0942300199. The cubic root of 122281448 is about 496.3486644041.

The spelling of 122281448 in words is "one hundred twenty-two million, two hundred eighty-one thousand, four hundred forty-eight".