222776426 has 16 divisors (see below), whose sum is σ = 337473864. Its totient is φ = 110290944.

The previous prime is 222776377. The next prime is 222776471. The reversal of 222776426 is 624677222.

222776426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 133379401 + 89397025 = 11549^2 + 9455^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222776426.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88700 + ... + 91176.

Almost surely, 2^222776426 is an apocalyptic number.

222776426 is a deficient number, since it is larger than the sum of its proper divisors (114697438).

222776426 is a wasteful number, since it uses less digits than its factorization.

222776426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905.

The product of its digits is 112896, while the sum is 38.

The square root of 222776426 is about 14925.6968346540. The cubic root of 222776426 is about 606.2099738197.

The spelling of 222776426 in words is "two hundred twenty-two million, seven hundred seventy-six thousand, four hundred twenty-six".