22806413526 has 64 divisors (see below), whose sum is σ = 51796039680. Its totient is φ = 6636556800.

The previous prime is 22806413521. The next prime is 22806413551. The reversal of 22806413526 is 62531460822.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22806413521) 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, 865851 + ... + 891801.

It is an arithmetic number, because the mean of its divisors is an integer number (809313120).

Almost surely, 2^22806413526 is an apocalyptic number.

22806413526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22806413526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25898019840).

22806413526 is an abundant number, since it is smaller than the sum of its proper divisors (28989626154).

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

22806413526 is a wasteful number, since it uses less digits than its factorization.

22806413526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26581.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 22806413526 in words is "twenty-two billion, eight hundred six million, four hundred thirteen thousand, five hundred twenty-six".