22099802 has 4 divisors (see below), whose sum is σ = 33149706. Its totient is φ = 11049900.

The previous prime is 22099789. The next prime is 22099811. The reversal of 22099802 is 20899022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19882681 + 2217121 = 4459^2 + 1489^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5524949 + ... + 5524952.

Almost surely, 2^22099802 is an apocalyptic number.

22099802 is a deficient number, since it is larger than the sum of its proper divisors (11049904).

22099802 is a wasteful number, since it uses less digits than its factorization.

22099802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11049903.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 22099802 is about 4701.0426503064. The cubic root of 22099802 is about 280.6270047624.

The spelling of 22099802 in words is "twenty-two million, ninety-nine thousand, eight hundred two".