2223232776 has 48 divisors (see below), whose sum is σ = 6051552000. Its totient is φ = 737348832.

The previous prime is 2223232763. The next prime is 2223232777. The reversal of 2223232776 is 6772323222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2223232776.

It is not an unprimeable number, because it can be changed into a prime (2223232777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63256 + ... + 91911.

It is an arithmetic number, because the mean of its divisors is an integer number (126074000).

Almost surely, 2^2223232776 is an apocalyptic number.

It is an amenable number.

2223232776 is an abundant number, since it is smaller than the sum of its proper divisors (3828319224).

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

2223232776 is a wasteful number, since it uses less digits than its factorization.

2223232776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155378 (or 155371 counting only the distinct ones).

The product of its digits is 84672, while the sum is 36.

The square root of 2223232776 is about 47151.1694022534. The cubic root of 2223232776 is about 1305.1536596269.

Adding to 2223232776 its reverse (6772323222), we get a palindrome (8995555998).

The spelling of 2223232776 in words is "two billion, two hundred twenty-three million, two hundred thirty-two thousand, seven hundred seventy-six".