22040137 has 8 divisors (see below), whose sum is σ = 25266176. Its totient is φ = 18833472.

The previous prime is 22040113. The next prime is 22040147. The reversal of 22040137 is 73104022.

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

It is not a de Polignac number, because 22040137 - 2⁷ = 22040009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040107) 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, 2313 + ... + 7030.

It is an arithmetic number, because the mean of its divisors is an integer number (3158272).

Almost surely, 2^22040137 is an apocalyptic number.

It is an amenable number.

22040137 is a deficient number, since it is larger than the sum of its proper divisors (3226039).

22040137 is an equidigital number, since it uses as much as digits as its factorization.

22040137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22040137 is about 4694.6924286901. The cubic root of 22040137 is about 280.3742317436.

Adding to 22040137 its reverse (73104022), we get a palindrome (95144159).

The spelling of 22040137 in words is "twenty-two million, forty thousand, one hundred thirty-seven".