22261254 has 8 divisors (see below), whose sum is σ = 44522520. Its totient is φ = 7420416.

The previous prime is 22261249. The next prime is 22261273. The reversal of 22261254 is 45216222.

It is a happy number.

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

22261254 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855099 + ... + 1855110.

It is an arithmetic number, because the mean of its divisors is an integer number (5565315).

Almost surely, 2^22261254 is an apocalyptic number.

22261254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22261254 is a wasteful number, since it uses less digits than its factorization.

22261254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710214.

The product of its digits is 1920, while the sum is 24.

The square root of 22261254 is about 4718.1833368363. The cubic root of 22261254 is about 281.3087288716.

Adding to 22261254 its reverse (45216222), we get a palindrome (67477476).

The spelling of 22261254 in words is "twenty-two million, two hundred sixty-one thousand, two hundred fifty-four".