22266540352 has 56 divisors (see below), whose sum is σ = 50581966400. Its totient is φ = 9526809600.

The previous prime is 22266540343. The next prime is 22266540353. The reversal of 22266540352 is 25304566222.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22266540353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227899 + ... + 310597.

It is an arithmetic number, because the mean of its divisors is an integer number (903249400).

Almost surely, 2^22266540352 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 22266540352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25290983200).

22266540352 is an abundant number, since it is smaller than the sum of its proper divisors (28315426048).

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

22266540352 is an equidigital number, since it uses as much as digits as its factorization.

22266540352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83319 (or 83309 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 22266540352 in words is "twenty-two billion, two hundred sixty-six million, five hundred forty thousand, three hundred fifty-two".