2222691556 has 6 divisors (see below), whose sum is σ = 3889710230. Its totient is φ = 1111345776.

The previous prime is 2222691521. The next prime is 2222691589. The reversal of 2222691556 is 6551962222.

It can be written as a sum of positive squares in only one way, i.e., 1268499456 + 954192100 = 35616^2 + 30890^2 .

It is a super-2 number, since 2×2222691556² = 9880715506227402272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277836441 + ... + 277836448.

Almost surely, 2^2222691556 is an apocalyptic number.

It is an amenable number.

2222691556 is a deficient number, since it is larger than the sum of its proper divisors (1667018674).

2222691556 is a wasteful number, since it uses less digits than its factorization.

2222691556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555672893 (or 555672891 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 2222691556 is about 47145.4298527439. The cubic root of 2222691556 is about 1305.0477429038.

The spelling of 2222691556 in words is "two billion, two hundred twenty-two million, six hundred ninety-one thousand, five hundred fifty-six".