22097798 has 8 divisors (see below), whose sum is σ = 34891320. Its totient is φ = 10467360.

The previous prime is 22097783. The next prime is 22097833. The reversal of 22097798 is 89779022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 290723 + ... + 290798.

It is an arithmetic number, because the mean of its divisors is an integer number (4361415).

Almost surely, 2^22097798 is an apocalyptic number.

22097798 is a deficient number, since it is larger than the sum of its proper divisors (12793522).

22097798 is a wasteful number, since it uses less digits than its factorization.

22097798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581542.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 22097798 is about 4700.8295012689. The cubic root of 22097798 is about 280.6185221296.

The spelling of 22097798 in words is "twenty-two million, ninety-seven thousand, seven hundred ninety-eight".