22081037 has 8 divisors (see below), whose sum is σ = 24323520. Its totient is φ = 19877760.

The previous prime is 22081027. The next prime is 22081039. The reversal of 22081037 is 73018022.

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

It is a cyclic number.

It is not a de Polignac number, because 22081037 - 2⁸ = 22080781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22081039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8612 + ... + 10877.

It is an arithmetic number, because the mean of its divisors is an integer number (3040440).

Almost surely, 2^22081037 is an apocalyptic number.

It is an amenable number.

22081037 is a deficient number, since it is larger than the sum of its proper divisors (2242483).

22081037 is a wasteful number, since it uses less digits than its factorization.

22081037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19603.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 22081037 is about 4699.0463926205. The cubic root of 22081037 is about 280.5475552287.

Adding to 22081037 its reverse (73018022), we get a palindrome (95099059).

The spelling of 22081037 in words is "twenty-two million, eighty-one thousand, thirty-seven".