10022391 has 6 divisors (see below), whose sum is σ = 14476800. Its totient is φ = 6681588.

The previous prime is 10022387. The next prime is 10022399. The reversal of 10022391 is 19322001.

It is a happy number.

It is not a de Polignac number, because 10022391 - 2² = 10022387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556791 + ... + 556808.

It is an arithmetic number, because the mean of its divisors is an integer number (2412800).

Almost surely, 2^10022391 is an apocalyptic number.

10022391 is a deficient number, since it is larger than the sum of its proper divisors (4454409).

10022391 is a wasteful number, since it uses less digits than its factorization.

10022391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113605 (or 1113602 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10022391 is about 3165.8160085513. The cubic root of 10022391 is about 215.6041489604.

Adding to 10022391 its reverse (19322001), we get a palindrome (29344392).

The spelling of 10022391 in words is "ten million, twenty-two thousand, three hundred ninety-one".