22122248 has 8 divisors (see below), whose sum is σ = 41479230. Its totient is φ = 11061120.

The previous prime is 22122241. The next prime is 22122259. The reversal of 22122248 is 84222122.

It can be written as a sum of positive squares in only one way, i.e., 16467364 + 5654884 = 4058^2 + 2378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382633 + ... + 1382648.

Almost surely, 2^22122248 is an apocalyptic number.

It is an amenable number.

22122248 is a deficient number, since it is larger than the sum of its proper divisors (19356982).

22122248 is a wasteful number, since it uses less digits than its factorization.

22122248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765287 (or 2765283 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 22122248 is about 4703.4293871600. The cubic root of 22122248 is about 280.7219803103.

The spelling of 22122248 in words is "twenty-two million, one hundred twenty-two thousand, two hundred forty-eight".