5522391 has 32 divisors (see below), whose sum is σ = 9523200. Its totient is φ = 3097440.

The previous prime is 5522389. The next prime is 5522393. The reversal of 5522391 is 1932255.

5522391 is a `hidden beast` number, since 552 + 23 + 91 = 666.

It is an interprime number because it is at equal distance from previous prime (5522389) and next prime (5522393).

It is not a de Polignac number, because 5522391 - 2¹ = 5522389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5522393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11290 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (297600).

Almost surely, 2^5522391 is an apocalyptic number.

5522391 is a deficient number, since it is larger than the sum of its proper divisors (4000809).

5522391 is a wasteful number, since it uses less digits than its factorization.

5522391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 550 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 5522391 is about 2349.9768083962. The cubic root of 5522391 is about 176.7566319207.

The spelling of 5522391 in words is "five million, five hundred twenty-two thousand, three hundred ninety-one".