22235572830 has 64 divisors (see below), whose sum is σ = 54429496128. Its totient is φ = 5811486720.

The previous prime is 22235572823. The next prime is 22235572831. The reversal of 22235572830 is 3827553222.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22235572831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1616542 + ... + 1630238.

It is an arithmetic number, because the mean of its divisors is an integer number (850460877).

Almost surely, 2^22235572830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22235572830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27214748064).

22235572830 is an abundant number, since it is smaller than the sum of its proper divisors (32193923298).

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

22235572830 is a wasteful number, since it uses less digits than its factorization.

22235572830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14781.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 22235572830 in words is "twenty-two billion, two hundred thirty-five million, five hundred seventy-two thousand, eight hundred thirty".