3222227778 has 32 divisors (see below), whose sum is σ = 8034647040. Its totient is φ = 836942160.

The previous prime is 3222227741. The next prime is 3222227779. The reversal of 3222227778 is 8777222223.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (3222227779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3486798 + ... + 3487721.

It is an arithmetic number, because the mean of its divisors is an integer number (251082720).

Almost surely, 2^3222227778 is an apocalyptic number.

3222227778 is an abundant number, since it is smaller than the sum of its proper divisors (4812419262).

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

3222227778 is a wasteful number, since it uses less digits than its factorization.

3222227778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974542.

The product of its digits is 263424, while the sum is 42.

The square root of 3222227778 is about 56764.6701567093. The cubic root of 3222227778 is about 1477.0167227910.

The spelling of 3222227778 in words is "three billion, two hundred twenty-two million, two hundred twenty-seven thousand, seven hundred seventy-eight".