22961288208492 has 120 divisors (see below), whose sum is σ = 60378623296992. Its totient is φ = 7608820665600.

The previous prime is 22961288208461. The next prime is 22961288208541. The reversal of 22961288208492 is 29480288216922.

22961288208492 is a `hidden beast` number, since 2 + 2 + 9 + 61 + 2 + 8 + 82 + 0 + 8 + 492 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47394442 + ... + 47876462.

Almost surely, 2^{22961288208492} 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 22961288208492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30189311648496).

22961288208492 is an abundant number, since it is smaller than the sum of its proper divisors (37417335088500).

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

22961288208492 is a wasteful number, since it uses less digits than its factorization.

22961288208492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482901 (or 482890 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 22961288208492 in words is "twenty-two trillion, nine hundred sixty-one billion, two hundred eighty-eight million, two hundred eight thousand, four hundred ninety-two".