2228351965 has 8 divisors (see below), whose sum is σ = 3056025600. Its totient is φ = 1528012752.

The previous prime is 2228351903. The next prime is 2228351989. The reversal of 2228351965 is 5691538222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2228351965 - 2⁹ = 2228351453 is a prime.

It is a super-2 number, since 2×2228351965² = 9931104959838722450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31833565 + ... + 31833634.

It is an arithmetic number, because the mean of its divisors is an integer number (382003200).

Almost surely, 2^2228351965 is an apocalyptic number.

It is an amenable number.

2228351965 is a deficient number, since it is larger than the sum of its proper divisors (827673635).

2228351965 is an equidigital number, since it uses as much as digits as its factorization.

2228351965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63667211.

The product of its digits is 259200, while the sum is 43.

The square root of 2228351965 is about 47205.4230465102. The cubic root of 2228351965 is about 1306.1546354378.

The spelling of 2228351965 in words is "two billion, two hundred twenty-eight million, three hundred fifty-one thousand, nine hundred sixty-five".