22818461 has 8 divisors (see below), whose sum is σ = 24261120. Its totient is φ = 21413392.

The previous prime is 22818431. The next prime is 22818473. The reversal of 22818461 is 16481822.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22818461 - 2¹⁰ = 22817437 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 (22818401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8141 + ... + 10578.

It is an arithmetic number, because the mean of its divisors is an integer number (3032640).

Almost surely, 2^22818461 is an apocalyptic number.

It is an amenable number.

22818461 is a deficient number, since it is larger than the sum of its proper divisors (1442659).

22818461 is a wasteful number, since it uses less digits than its factorization.

22818461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18795.

The product of its digits is 6144, while the sum is 32.

The square root of 22818461 is about 4776.8672788764. The cubic root of 22818461 is about 283.6364993344.

The spelling of 22818461 in words is "twenty-two million, eight hundred eighteen thousand, four hundred sixty-one".