2210021300 has 36 divisors (see below), whose sum is σ = 4849650540. Its totient is φ = 874072320.

The previous prime is 2210021291. The next prime is 2210021311. The reversal of 2210021300 is 31200122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 212110096 + 1997911204 = 14564^2 + 44698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115259 + ... + 133058.

It is an arithmetic number, because the mean of its divisors is an integer number (134712515).

Almost surely, 2^2210021300 is an apocalyptic number.

2210021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210021300 is an abundant number, since it is smaller than the sum of its proper divisors (2639629240).

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

2210021300 is a wasteful number, since it uses less digits than its factorization.

2210021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248420 (or 248413 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2210021300 is about 47010.8636380997. The cubic root of 2210021300 is about 1302.5632464011.

Adding to 2210021300 its reverse (31200122), we get a palindrome (2241221422).

The spelling of 2210021300 in words is "two billion, two hundred ten million, twenty-one thousand, three hundred".