22706989452 has 216 divisors, whose sum is σ = 71481009600. Its totient is φ = 6041552832.

The previous prime is 22706989441. The next prime is 22706989477. The reversal of 22706989452 is 25498960722.

It is a super-3 number, since 3×22706989452³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1971703 + ... + 1983185.

It is an arithmetic number, because the mean of its divisors is an integer number (330930600).

Almost surely, 2^22706989452 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 22706989452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35740504800).

22706989452 is an abundant number, since it is smaller than the sum of its proper divisors (48774020148).

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

22706989452 is a wasteful number, since it uses less digits than its factorization.

22706989452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585 (or 11573 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 22706989452 in words is "twenty-two billion, seven hundred six million, nine hundred eighty-nine thousand, four hundred fifty-two".