22012232310 has 192 divisors, whose sum is σ = 60173568000. Its totient is φ = 5576325120.

The previous prime is 22012232309. The next prime is 22012232339. The reversal of 22012232310 is 1323221022.

22012232310 is a `hidden beast` number, since 220 + 122 + 323 + 1 + 0 = 666.

It is a super-2 number, since 2×22012232310² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44112441 + ... + 44112939.

It is an arithmetic number, because the mean of its divisors is an integer number (313404000).

Almost surely, 2^22012232310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012232310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30086784000).

22012232310 is an abundant number, since it is smaller than the sum of its proper divisors (38161335690).

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

22012232310 is a wasteful number, since it uses less digits than its factorization.

22012232310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22012232310 its reverse (1323221022), we get a palindrome (23335453332).

The spelling of 22012232310 in words is "twenty-two billion, twelve million, two hundred thirty-two thousand, three hundred ten".