2211222570 has 16 divisors (see below), whose sum is σ = 5306934240. Its totient is φ = 589659344.

The previous prime is 2211222551. The next prime is 2211222577. The reversal of 2211222570 is 752221122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211222570.

It is not an unprimeable number, because it can be changed into a prime (2211222577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36853680 + ... + 36853739.

It is an arithmetic number, because the mean of its divisors is an integer number (331683390).

Almost surely, 2^2211222570 is an apocalyptic number.

2211222570 is an abundant number, since it is smaller than the sum of its proper divisors (3095711670).

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

2211222570 is a wasteful number, since it uses less digits than its factorization.

2211222570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73707429.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2211222570 is about 47023.6384172897. The cubic root of 2211222570 is about 1302.7992089430.

Adding to 2211222570 its reverse (752221122), we get a palindrome (2963443692).

The spelling of 2211222570 in words is "two billion, two hundred eleven million, two hundred twenty-two thousand, five hundred seventy".