22707499338 has 80 divisors (see below), whose sum is σ = 51928965000. Its totient is φ = 7414944768.

The previous prime is 22707499333. The next prime is 22707499361. The reversal of 22707499338 is 83399470722.

It can be written as a sum of positive squares in 4 ways, for example, as 22366099809 + 341399529 = 149553^2 + 18477^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22707499333) 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 39 ways as a sum of consecutive naturals, for example, 1564338 + ... + 1578786.

Almost surely, 2^22707499338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22707499338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25964482500).

22707499338 is an abundant number, since it is smaller than the sum of its proper divisors (29221465662).

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

22707499338 is a wasteful number, since it uses less digits than its factorization.

22707499338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14661 (or 14652 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 22707499338 in words is "twenty-two billion, seven hundred seven million, four hundred ninety-nine thousand, three hundred thirty-eight".