23222332220 has 24 divisors (see below), whose sum is σ = 49434940464. Its totient is φ = 9161686656.

The previous prime is 23222332207. The next prime is 23222332261. The reversal of 23222332220 is 2223322232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7951394 + ... + 7954313.

It is an arithmetic number, because the mean of its divisors is an integer number (2059789186).

Almost surely, 2^23222332220 is an apocalyptic number.

23222332220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23222332220 is an abundant number, since it is smaller than the sum of its proper divisors (26212608244).

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

23222332220 is a wasteful number, since it uses less digits than its factorization.

23222332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15905789 (or 15905787 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 23222332220 its reverse (2223322232), we get a palindrome (25445654452).

The spelling of 23222332220 in words is "twenty-three billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty".