2211643492 has 24 divisors (see below), whose sum is σ = 4101576696. Its totient is φ = 1039876608.

The previous prime is 2211643477. The next prime is 2211643507. The reversal of 2211643492 is 2943461122.

It is an interprime number because it is at equal distance from previous prime (2211643477) and next prime (2211643507).

It can be written as a sum of positive squares in 4 ways, for example, as 298805796 + 1912837696 = 17286^2 + 43736^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 in 7 ways as a sum of consecutive naturals, for example, 69078 + ... + 95890.

It is an arithmetic number, because the mean of its divisors is an integer number (170899029).

Almost surely, 2^2211643492 is an apocalyptic number.

It is an amenable number.

2211643492 is a deficient number, since it is larger than the sum of its proper divisors (1889933204).

2211643492 is a wasteful number, since it uses less digits than its factorization.

2211643492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28047 (or 28045 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 2211643492 is about 47028.1138469320. The cubic root of 2211643492 is about 1302.8818694078.

The spelling of 2211643492 in words is "two billion, two hundred eleven million, six hundred forty-three thousand, four hundred ninety-two".