22224951 has 24 divisors (see below), whose sum is σ = 36900864. Its totient is φ = 12626640.

The previous prime is 22224941. The next prime is 22224959. The reversal of 22224951 is 15942222.

It is a happy number.

It is not a de Polignac number, because 22224951 - 2⁷ = 22224823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11110 + ... + 12956.

It is an arithmetic number, because the mean of its divisors is an integer number (1537536).

Almost surely, 2^22224951 is an apocalyptic number.

22224951 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22224951 is a deficient number, since it is larger than the sum of its proper divisors (14675913).

22224951 is a wasteful number, since it uses less digits than its factorization.

22224951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2048 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 22224951 is about 4714.3346296164. The cubic root of 22224951 is about 281.1557289978.

The spelling of 22224951 in words is "twenty-two million, two hundred twenty-four thousand, nine hundred fifty-one".