22356229770 has 256 divisors, whose sum is σ = 72269660160. Its totient is φ = 4807123200.

The previous prime is 22356229769. The next prime is 22356229771. The reversal of 22356229770 is 7792265322.

22356229770 is a `hidden beast` number, since 2 + 2 + 356 + 2 + 297 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22356229769) and next prime (22356229771).

It is a hoax number, since the sum of its digits (45) 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 (45).

It is not an unprimeable number, because it can be changed into a prime (22356229771) 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 127 ways as a sum of consecutive naturals, for example, 2647455 + ... + 2655885.

It is an arithmetic number, because the mean of its divisors is an integer number (282303360).

Almost surely, 2^22356229770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22356229770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36134830080).

22356229770 is an abundant number, since it is smaller than the sum of its proper divisors (49913430390).

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

22356229770 is a wasteful number, since it uses less digits than its factorization.

22356229770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538 (or 8532 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 22356229770 in words is "twenty-two billion, three hundred fifty-six million, two hundred twenty-nine thousand, seven hundred seventy".