5022391 has 4 divisors (see below), whose sum is σ = 5478984. Its totient is φ = 4565800.

The previous prime is 5022389. The next prime is 5022421. The reversal of 5022391 is 1932205.

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 5022391 - 2¹ = 5022389 is a prime.

It is a super-2 number, since 2×5022391² = 50448822713762, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

5022391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5022301) 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, 228280 + ... + 228301.

It is an arithmetic number, because the mean of its divisors is an integer number (1369746).

Almost surely, 2^5022391 is an apocalyptic number.

5022391 is a deficient number, since it is larger than the sum of its proper divisors (456593).

5022391 is a wasteful number, since it uses less digits than its factorization.

5022391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456592.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5022391 is about 2241.0691644838. The cubic root of 5022391 is about 171.2524683964.

Adding to 5022391 its reverse (1932205), we get a palindrome (6954596).

The spelling of 5022391 in words is "five million, twenty-two thousand, three hundred ninety-one".