22030220 has 12 divisors (see below), whose sum is σ = 46263504. Its totient is φ = 8812080.

The previous prime is 22030213. The next prime is 22030231. The reversal of 22030220 is 2203022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550736 + ... + 550775.

It is an arithmetic number, because the mean of its divisors is an integer number (3855292).

Almost surely, 2^22030220 is an apocalyptic number.

22030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22030220 is an abundant number, since it is smaller than the sum of its proper divisors (24233284).

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

22030220 is a wasteful number, since it uses less digits than its factorization.

22030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101520 (or 1101518 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 22030220 is about 4693.6361171271. The cubic root of 22030220 is about 280.3321738020.

Adding to 22030220 its reverse (2203022), we get a palindrome (24233242).

The spelling of 22030220 in words is "twenty-two million, thirty thousand, two hundred twenty".