22276278969252 has 576 divisors, whose sum is σ = 67742002944000. Its totient is φ = 5632484014080.

The previous prime is 22276278969233. The next prime is 22276278969257. The reversal of 22276278969252 is 25296987267222.

It is a super-2 number, since 2×22276278969252² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22276278969257) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11644682248 + ... + 11644684160.

It is an arithmetic number, because the mean of its divisors is an integer number (117607644000).

Almost surely, 2^{22276278969252} is an apocalyptic number.

22276278969252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22276278969252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33871001472000).

22276278969252 is an abundant number, since it is smaller than the sum of its proper divisors (45465723974748).

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

22276278969252 is a wasteful number, since it uses less digits than its factorization.

22276278969252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2327 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 69.

The spelling of 22276278969252 in words is "twenty-two trillion, two hundred seventy-six billion, two hundred seventy-eight million, nine hundred sixty-nine thousand, two hundred fifty-two".