22081358 has 16 divisors (see below), whose sum is σ = 35807856. Its totient is φ = 10152000.

The previous prime is 22081349. The next prime is 22081373. The reversal of 22081358 is 85318022.

It is a super-2 number, since 2×22081358² = 975172742248328, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22081358.

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, 5858 + ... + 8858.

It is an arithmetic number, because the mean of its divisors is an integer number (2237991).

Almost surely, 2^22081358 is an apocalyptic number.

22081358 is a deficient number, since it is larger than the sum of its proper divisors (13726498).

22081358 is a wasteful number, since it uses less digits than its factorization.

22081358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 22081358 is about 4699.0805483626. The cubic root of 22081358 is about 280.5489146957.

The spelling of 22081358 in words is "twenty-two million, eighty-one thousand, three hundred fifty-eight".