2211020224 has 28 divisors (see below), whose sum is σ = 5014279024. Its totient is φ = 947579904.

The previous prime is 2211020219. The next prime is 2211020237. The reversal of 2211020224 is 4220201122.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×2211020224² = 9777220861874020352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2211020198 and 2211020207.

It is a congruent number.

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, 2467209 + ... + 2468104.

Almost surely, 2^2211020224 is an apocalyptic number.

It is an amenable number.

2211020224 is an abundant number, since it is smaller than the sum of its proper divisors (2803258800).

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

2211020224 is an equidigital number, since it uses as much as digits as its factorization.

2211020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935332 (or 4935322 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2211020224 is about 47021.4868331489. The cubic root of 2211020224 is about 1302.7594685969.

Adding to 2211020224 its reverse (4220201122), we get a palindrome (6431221346).

The spelling of 2211020224 in words is "two billion, two hundred eleven million, twenty thousand, two hundred twenty-four".