2211222023230 has 64 divisors (see below), whose sum is σ = 4441731489792. Its totient is φ = 785675024640.

The previous prime is 2211222023203. The next prime is 2211222023261. The reversal of 2211222023230 is 323202221122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2785882 + ... + 3490498.

It is an arithmetic number, because the mean of its divisors is an integer number (69402054528).

Almost surely, 2^{2211222023230} is an apocalyptic number.

2211222023230 is an abundant number, since it is smaller than the sum of its proper divisors (2230509466562).

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

2211222023230 is a wasteful number, since it uses less digits than its factorization.

2211222023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705289.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2211222023230 its reverse (323202221122), we get a palindrome (2534424244352).

The spelling of 2211222023230 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, twenty-three thousand, two hundred thirty".