2228196651 has 4 divisors (see below), whose sum is σ = 2970928872. Its totient is φ = 1485464432.

The previous prime is 2228196617. The next prime is 2228196673. The reversal of 2228196651 is 1566918222.

2228196651 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2228196651 - 2³⁰ = 1154454827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2228196151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371366106 + ... + 371366111.

It is an arithmetic number, because the mean of its divisors is an integer number (742732218).

Almost surely, 2^2228196651 is an apocalyptic number.

2228196651 is a deficient number, since it is larger than the sum of its proper divisors (742732221).

2228196651 is an equidigital number, since it uses as much as digits as its factorization.

2228196651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742732220.

The product of its digits is 103680, while the sum is 42.

The square root of 2228196651 is about 47203.7779314326. Note that the first 3 decimals coincide. The cubic root of 2228196651 is about 1306.1242888232.

The spelling of 2228196651 in words is "two billion, two hundred twenty-eight million, one hundred ninety-six thousand, six hundred fifty-one".