22085838 has 16 divisors (see below), whose sum is σ = 49079760. Its totient is φ = 7361928.

The previous prime is 22085827. The next prime is 22085851. The reversal of 22085838 is 83858022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204445 + ... + 204552.

It is an arithmetic number, because the mean of its divisors is an integer number (3067485).

Almost surely, 2^22085838 is an apocalyptic number.

22085838 is an abundant number, since it is smaller than the sum of its proper divisors (26993922).

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

22085838 is a wasteful number, since it uses less digits than its factorization.

22085838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409008 (or 409002 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 22085838 is about 4699.5572131851. The cubic root of 22085838 is about 280.5678865686.

The spelling of 22085838 in words is "twenty-two million, eighty-five thousand, eight hundred thirty-eight".