22091486 has 4 divisors (see below), whose sum is σ = 33137232. Its totient is φ = 11045742.

The previous prime is 22091473. The next prime is 22091501. The reversal of 22091486 is 68419022.

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

It is a congruent number.

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, 5522870 + ... + 5522873.

It is an arithmetic number, because the mean of its divisors is an integer number (8284308).

Almost surely, 2^22091486 is an apocalyptic number.

22091486 is a deficient number, since it is larger than the sum of its proper divisors (11045746).

22091486 is a wasteful number, since it uses less digits than its factorization.

22091486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045745.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 22091486 is about 4700.1580824479. The cubic root of 22091486 is about 280.5918010240.

The spelling of 22091486 in words is "twenty-two million, ninety-one thousand, four hundred eighty-six".