4261223322 has 64 divisors (see below), whose sum is σ = 9735782400. Its totient is φ = 1380855600.

The previous prime is 4261223321. The next prime is 4261223339. The reversal of 4261223322 is 2233221624.

It is a happy number.

4261223322 is a `hidden beast` number, since 4 + 2 + 612 + 23 + 3 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4261223321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377679 + ... + 388797.

It is an arithmetic number, because the mean of its divisors is an integer number (152121600).

Almost surely, 2^4261223322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4261223322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4867891200).

4261223322 is an abundant number, since it is smaller than the sum of its proper divisors (5474559078).

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

4261223322 is a wasteful number, since it uses less digits than its factorization.

4261223322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328 (or 11322 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 4261223322 is about 65278.0462483368. The cubic root of 4261223322 is about 1621.2304985877.

Adding to 4261223322 its reverse (2233221624), we get a palindrome (6494444946).

The spelling of 4261223322 in words is "four billion, two hundred sixty-one million, two hundred twenty-three thousand, three hundred twenty-two".