22425333012 has 108 divisors (see below), whose sum is σ = 60604851580. Its totient is φ = 6990077952.

The previous prime is 22425333011. The next prime is 22425333013. The reversal of 22425333012 is 21033352422.

It is an interprime number because it is at equal distance from previous prime (22425333011) and next prime (22425333013).

It can be written as a sum of positive squares in 6 ways, for example, as 330294276 + 22095038736 = 18174^2 + 148644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22425333011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1626564 + ... + 1640292.

Almost surely, 2^22425333012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22425333012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30302425790).

22425333012 is an abundant number, since it is smaller than the sum of its proper divisors (38179518568).

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

22425333012 is a wasteful number, since it uses less digits than its factorization.

22425333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13930 (or 13908 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 22425333012 its reverse (21033352422), we get a palindrome (43458685434).

The spelling of 22425333012 in words is "twenty-two billion, four hundred twenty-five million, three hundred thirty-three thousand, twelve".