22022461 has 8 divisors (see below), whose sum is σ = 22598784. Its totient is φ = 21450720.

The previous prime is 22022459. The next prime is 22022467. The reversal of 22022461 is 16422022.

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 22022461 - 2¹ = 22022459 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 (22022467) 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, 9946 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (2824848).

Almost surely, 2^22022461 is an apocalyptic number.

It is an amenable number.

22022461 is a deficient number, since it is larger than the sum of its proper divisors (576323).

22022461 is a wasteful number, since it uses less digits than its factorization.

22022461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 22022461 is about 4692.8094996494. The cubic root of 22022461 is about 280.2992591247.

Adding to 22022461 its reverse (16422022), we get a palindrome (38444483).

The spelling of 22022461 in words is "twenty-two million, twenty-two thousand, four hundred sixty-one".