2222665826 has 4 divisors (see below), whose sum is σ = 3333998742. Its totient is φ = 1111332912.

The previous prime is 2222665811. The next prime is 2222665831. The reversal of 2222665826 is 6285662222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1447878601 + 774787225 = 38051^2 + 27835^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555666455 + ... + 555666458.

Almost surely, 2^2222665826 is an apocalyptic number.

2222665826 is a deficient number, since it is larger than the sum of its proper divisors (1111332916).

2222665826 is a wasteful number, since it uses less digits than its factorization.

2222665826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111332915.

The product of its digits is 276480, while the sum is 41.

The square root of 2222665826 is about 47145.1569729066. The cubic root of 2222665826 is about 1305.0427071161.

The spelling of 2222665826 in words is "two billion, two hundred twenty-two million, six hundred sixty-five thousand, eight hundred twenty-six".