22430154 has 24 divisors (see below), whose sum is σ = 45511200. Its totient is φ = 7369752.

The previous prime is 22430153. The next prime is 22430159. The reversal of 22430154 is 45103422.

It is a super-2 number, since 2×22430154² = 1006223616927432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22430154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37147 + ... + 37745.

It is an arithmetic number, because the mean of its divisors is an integer number (1896300).

Almost surely, 2^22430154 is an apocalyptic number.

22430154 is an abundant number, since it is smaller than the sum of its proper divisors (23081046).

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

22430154 is an equidigital number, since it uses as much as digits as its factorization.

22430154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22430154 is about 4736.0483527937. The cubic root of 22430154 is about 282.0183831887.

Adding to 22430154 its reverse (45103422), we get a palindrome (67533576).

The spelling of 22430154 in words is "twenty-two million, four hundred thirty thousand, one hundred fifty-four".