22059986 has 8 divisors (see below), whose sum is σ = 35635404. Its totient is φ = 10181520.

The previous prime is 22059977. The next prime is 22059997. The reversal of 22059986 is 68995022.

It can be written as a sum of positive squares in 2 ways, for example, as 21911761 + 148225 = 4681^2 + 385^2 .

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

It is a Curzon 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, 424205 + ... + 424256.

Almost surely, 2^22059986 is an apocalyptic number.

22059986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22059986 is a deficient number, since it is larger than the sum of its proper divisors (13575418).

22059986 is a wasteful number, since it uses less digits than its factorization.

22059986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848476.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 22059986 is about 4696.8059359526. The cubic root of 22059986 is about 280.4583733611.

It can be divided in two parts, 220 and 59986, that added together give a palindrome (60206).

The spelling of 22059986 in words is "twenty-two million, fifty-nine thousand, nine hundred eighty-six".