22076681 has 16 divisors (see below), whose sum is σ = 25145856. Its totient is φ = 19200000.

The previous prime is 22076647. The next prime is 22076713. The reversal of 22076681 is 18667022.

It is a cyclic number.

It is not a de Polignac number, because 22076681 - 2⁶ = 22076617 is a prime.

It is a super-2 number, since 2×22076681² = 974759687951522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22076611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34121 + ... + 34761.

It is an arithmetic number, because the mean of its divisors is an integer number (1571616).

Almost surely, 2^22076681 is an apocalyptic number.

It is an amenable number.

22076681 is a deficient number, since it is larger than the sum of its proper divisors (3069175).

22076681 is a wasteful number, since it uses less digits than its factorization.

22076681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22076681 is about 4698.5828714624. The cubic root of 22076681 is about 280.5291058307.

It can be divided in two parts, 2207 and 6681, that added together give a palindrome (8888).

The spelling of 22076681 in words is "twenty-two million, seventy-six thousand, six hundred eighty-one".