22003030 has 16 divisors (see below), whose sum is σ = 45263520. Its totient is φ = 7543872.

The previous prime is 22003027. The next prime is 22003039. The reversal of 22003030 is 3030022.

It is a Harshad number since it is a multiple of its sum of digits (10).

22003030 is a modest number, since divided by 3030 gives 2200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22002998 and 22003016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157095 + ... + 157234.

It is an arithmetic number, because the mean of its divisors is an integer number (2828970).

Almost surely, 2^22003030 is an apocalyptic number.

22003030 is an abundant number, since it is smaller than the sum of its proper divisors (23260490).

22003030 is a wasteful number, since it uses less digits than its factorization.

22003030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314343.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 22003030 is about 4690.7387477880. The cubic root of 22003030 is about 280.2167963828.

Adding to 22003030 its reverse (3030022), we get a palindrome (25033052).

The spelling of 22003030 in words is "twenty-two million, three thousand, thirty".