22855471 has 4 divisors (see below), whose sum is σ = 22869000. Its totient is φ = 22841944.

The previous prime is 22855457. The next prime is 22855477. The reversal of 22855471 is 17455822.

It is a happy number.

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 22855471 - 2⁹ = 22854959 is a prime.

It is a super-3 number, since 3×22855471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3796 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (5717250).

Almost surely, 2^22855471 is an apocalyptic number.

22855471 is a deficient number, since it is larger than the sum of its proper divisors (13529).

22855471 is a wasteful number, since it uses less digits than its factorization.

22855471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13528.

The product of its digits is 22400, while the sum is 34.

The square root of 22855471 is about 4780.7395871350. The cubic root of 22855471 is about 283.7897629075.

The spelling of 22855471 in words is "twenty-two million, eight hundred fifty-five thousand, four hundred seventy-one".