2211223020 has 48 divisors (see below), whose sum is σ = 6193490688. Its totient is φ = 589462720.

The previous prime is 2211223019. The next prime is 2211223033. The reversal of 2211223020 is 203221122.

It is a happy number.

2211223020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306697 + ... + 313823.

It is an arithmetic number, because the mean of its divisors is an integer number (129031056).

Almost surely, 2^2211223020 is an apocalyptic number.

2211223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211223020 is an abundant number, since it is smaller than the sum of its proper divisors (3982267668).

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

2211223020 is a wasteful number, since it uses less digits than its factorization.

2211223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12310 (or 12308 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2211223020 is about 47023.6432021170. The cubic root of 2211223020 is about 1302.7992973194.

Adding to 2211223020 its reverse (203221122), we get a palindrome (2414444142).

The spelling of 2211223020 in words is "two billion, two hundred eleven million, two hundred twenty-three thousand, twenty".