222776022 has 64 divisors (see below), whose sum is σ = 536739840. Its totient is φ = 60264864.

The previous prime is 222775981. The next prime is 222776027. The reversal of 222776022 is 220677222.

222776022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222776027) 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, 98379 + ... + 100617.

It is an arithmetic number, because the mean of its divisors is an integer number (8386560).

Almost surely, 2^222776022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222776022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268369920).

222776022 is an abundant number, since it is smaller than the sum of its proper divisors (313963818).

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

222776022 is a wasteful number, since it uses less digits than its factorization.

222776022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 222776022 is about 14925.6833009414. The cubic root of 222776022 is about 606.2096073701.

The spelling of 222776022 in words is "two hundred twenty-two million, seven hundred seventy-six thousand, twenty-two".