221122332030 has 32 divisors (see below), whose sum is σ = 530719900704. Its totient is φ = 58963032576.

The previous prime is 221122331957. The next prime is 221122332031. The reversal of 221122332030 is 30233221122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221122331988 and 221122332006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122332031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471042 + ... + 814938.

It is an arithmetic number, because the mean of its divisors is an integer number (16584996897).

Almost surely, 2^221122332030 is an apocalyptic number.

221122332030 is an abundant number, since it is smaller than the sum of its proper divisors (309597568674).

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

221122332030 is a wasteful number, since it uses less digits than its factorization.

221122332030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365340.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221122332030 its reverse (30233221122), we get a palindrome (251355553152).

The spelling of 221122332030 in words is "two hundred twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, thirty".