22254430 has 32 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 8053920.

The previous prime is 22254403. The next prime is 22254443. The reversal of 22254430 is 3445222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33441 + ... + 34099.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^22254430 is an apocalyptic number.

22254430 is a deficient number, since it is larger than the sum of its proper divisors (21654050).

22254430 is a wasteful number, since it uses less digits than its factorization.

22254430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22254430 is about 4717.4601217180. The cubic root of 22254430 is about 281.2799816598.

Adding to 22254430 its reverse (3445222), we get a palindrome (25699652).

It can be divided in two parts, 22 and 254430, that added together give a palindrome (254452).

The spelling of 22254430 in words is "twenty-two million, two hundred fifty-four thousand, four hundred thirty".