11722254 has 8 divisors (see below), whose sum is σ = 23444520. Its totient is φ = 3907416.

The previous prime is 11722201. The next prime is 11722283. The reversal of 11722254 is 45222711.

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

11722254 is an admirable number.

It is a super-2 number, since 2×11722254² = 274822477681032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976849 + ... + 976860.

It is an arithmetic number, because the mean of its divisors is an integer number (2930565).

Almost surely, 2^11722254 is an apocalyptic number.

11722254 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.

11722254 is a wasteful number, since it uses less digits than its factorization.

11722254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953714.

The product of its digits is 1120, while the sum is 24.

The square root of 11722254 is about 3423.7777381133. Note that the first 4 decimals coincide. The cubic root of 11722254 is about 227.1627107477.

Adding to 11722254 its reverse (45222711), we get a palindrome (56944965).

The spelling of 11722254 in words is "eleven million, seven hundred twenty-two thousand, two hundred fifty-four".