22086449 has 16 divisors (see below), whose sum is σ = 27646080. Its totient is φ = 17141760.

The previous prime is 22086431. The next prime is 22086457. The reversal of 22086449 is 94468022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22086449 is a prime.

It is a super-2 number, since 2×22086449² = 975622458859202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22056449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28337 + ... + 29105.

It is an arithmetic number, because the mean of its divisors is an integer number (1727880).

Almost surely, 2^22086449 is an apocalyptic number.

It is an amenable number.

22086449 is a deficient number, since it is larger than the sum of its proper divisors (5559631).

22086449 is a wasteful number, since it uses less digits than its factorization.

22086449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 22086449 is about 4699.6222188597. The cubic root of 22086449 is about 280.5704738283.

The spelling of 22086449 in words is "twenty-two million, eighty-six thousand, four hundred forty-nine".