22452430 has 64 divisors (see below), whose sum is σ = 54286848. Its totient is φ = 6456960.

The previous prime is 22452421. The next prime is 22452431. The reversal of 22452430 is 3425422.

It is a super-2 number, since 2×22452430² = 1008223225809800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452431) 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 31 ways as a sum of consecutive naturals, for example, 8889 + ... + 11131.

It is an arithmetic number, because the mean of its divisors is an integer number (848232).

Almost surely, 2^22452430 is an apocalyptic number.

22452430 is an abundant number, since it is smaller than the sum of its proper divisors (31834418).

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

22452430 is a wasteful number, since it uses less digits than its factorization.

22452430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281.

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

The square root of 22452430 is about 4738.3995188249. The cubic root of 22452430 is about 282.1117123586. Note that the first 3 decimals are identical.

Adding to 22452430 its reverse (3425422), we get a palindrome (25877852).

The spelling of 22452430 in words is "twenty-two million, four hundred fifty-two thousand, four hundred thirty".