2211450056 has 8 divisors (see below), whose sum is σ = 4146468870. Its totient is φ = 1105725024.

The previous prime is 2211450047. The next prime is 2211450113. The reversal of 2211450056 is 6500541122.

It can be written as a sum of positive squares in only one way, i.e., 1570853956 + 640596100 = 39634^2 + 25310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2211450056² = 9781022700364806272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138215621 + ... + 138215636.

Almost surely, 2^2211450056 is an apocalyptic number.

It is an amenable number.

2211450056 is a deficient number, since it is larger than the sum of its proper divisors (1935018814).

2211450056 is a wasteful number, since it uses less digits than its factorization.

2211450056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276431263 (or 276431259 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2211450056 is about 47026.0572023639. The cubic root of 2211450056 is about 1302.8438838394.

Adding to 2211450056 its reverse (6500541122), we get a palindrome (8711991178).

The spelling of 2211450056 in words is "two billion, two hundred eleven million, four hundred fifty thousand, fifty-six".