22678772202 has 80 divisors (see below), whose sum is σ = 53117760960. Its totient is φ = 7218497088.

The previous prime is 22678772189. The next prime is 22678772203. The reversal of 22678772202 is 20227787622.

It is not an unprimeable number, because it can be changed into a prime (22678772203) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2301478 + ... + 2311310.

It is an arithmetic number, because the mean of its divisors is an integer number (663972012).

Almost surely, 2^22678772202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22678772202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26558880480).

22678772202 is an abundant number, since it is smaller than the sum of its proper divisors (30438988758).

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

22678772202 is a wasteful number, since it uses less digits than its factorization.

22678772202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10489 (or 10480 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 22678772202 in words is "twenty-two billion, six hundred seventy-eight million, seven hundred seventy-two thousand, two hundred two".