10022591 has 4 divisors (see below), whose sum is σ = 10034184. Its totient is φ = 10011000.

The previous prime is 10022587. The next prime is 10022599. The reversal of 10022591 is 19522001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10022591 - 2² = 10022587 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 (10022599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4385 + ... + 6266.

It is an arithmetic number, because the mean of its divisors is an integer number (2508546).

Almost surely, 2^10022591 is an apocalyptic number.

10022591 is a deficient number, since it is larger than the sum of its proper divisors (11593).

10022591 is an equidigital number, since it uses as much as digits as its factorization.

10022591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10022591 is about 3165.8475958264. The cubic root of 10022591 is about 215.6055831007.

Adding to 10022591 its reverse (19522001), we get a palindrome (29544592).

The spelling of 10022591 in words is "ten million, twenty-two thousand, five hundred ninety-one".