22967421 has 8 divisors (see below), whose sum is σ = 31370304. Its totient is φ = 14938080.

The previous prime is 22967419. The next prime is 22967437. The reversal of 22967421 is 12476922.

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

It is not a de Polignac number, because 22967421 - 2¹ = 22967419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22967401) 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, 93241 + ... + 93486.

It is an arithmetic number, because the mean of its divisors is an integer number (3921288).

Almost surely, 2^22967421 is an apocalyptic number.

It is an amenable number.

22967421 is a deficient number, since it is larger than the sum of its proper divisors (8402883).

22967421 is a wasteful number, since it uses less digits than its factorization.

22967421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186771.

The product of its digits is 12096, while the sum is 33.

The square root of 22967421 is about 4792.4337241114. The cubic root of 22967421 is about 284.2523586771.

The spelling of 22967421 in words is "twenty-two million, nine hundred sixty-seven thousand, four hundred twenty-one".