22254456 has 64 divisors (see below), whose sum is σ = 64108800. Its totient is φ = 6306048.

The previous prime is 22254451. The next prime is 22254461. The reversal of 22254456 is 65445222.

22254456 = T₂₅₃ + T₂₅₄ + ... + T₅₃₀.

It is a happy number.

22254456 is a nontrivial binomial coefficient, being equal to C(6672, 2).

It is an interprime number because it is at equal distance from previous prime (22254451) and next prime (22254461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22254451) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22876 + ... + 23828.

It is an arithmetic number, because the mean of its divisors is an integer number (1001700).

Almost surely, 2^22254456 is an apocalyptic number.

22254456 is the 6671-st triangular number and also the 3336-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22254456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32054400).

22254456 is an abundant number, since it is smaller than the sum of its proper divisors (41854344).

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

22254456 is a wasteful number, since it uses less digits than its factorization.

22254456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1104 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 22254456 is about 4717.4628774374. The cubic root of 22254456 is about 281.2800912002.

Adding to 22254456 its reverse (65445222), we get a palindrome (87699678).

The spelling of 22254456 in words is "twenty-two million, two hundred fifty-four thousand, four hundred fifty-six".