22224961 has 8 divisors (see below), whose sum is σ = 24300000. Its totient is φ = 20159040.

The previous prime is 22224959. The next prime is 22224971. The reversal of 22224961 is 16942222.

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

It is not a de Polignac number, because 22224961 - 2¹ = 22224959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22224941) 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, 3465 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (3037500).

Almost surely, 2^22224961 is an apocalyptic number.

It is an amenable number.

22224961 is a deficient number, since it is larger than the sum of its proper divisors (2075039).

22224961 is a wasteful number, since it uses less digits than its factorization.

22224961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559.

The product of its digits is 3456, while the sum is 28.

The square root of 22224961 is about 4714.3356902113. The cubic root of 22224961 is about 281.1557711660.

The spelling of 22224961 in words is "twenty-two million, two hundred twenty-four thousand, nine hundred sixty-one".