22143030 has 64 divisors (see below), whose sum is σ = 65415168. Its totient is φ = 4671360.

The previous prime is 22143019. The next prime is 22143041. The reversal of 22143030 is 3034122.

It is an interprime number because it is at equal distance from previous prime (22143019) and next prime (22143041).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1326 + ... + 6785.

It is an arithmetic number, because the mean of its divisors is an integer number (1022112).

Almost surely, 2^22143030 is an apocalyptic number.

22143030 is an abundant number, since it is smaller than the sum of its proper divisors (43272138).

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

22143030 is a wasteful number, since it uses less digits than its factorization.

22143030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8141.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22143030 is about 4705.6381076322. The cubic root of 22143030 is about 280.8098577314.

Adding to 22143030 its reverse (3034122), we get a palindrome (25177152).

The spelling of 22143030 in words is "twenty-two million, one hundred forty-three thousand, thirty".