2227538969 has 4 divisors (see below), whose sum is σ = 2237352144. Its totient is φ = 2217725796.

The previous prime is 2227538939. The next prime is 2227538993. The reversal of 2227538969 is 9698357222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2227538969 is a prime.

It is a super-2 number, since 2×2227538969² = 9923859716827165922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2227538969.

It is not an unprimeable number, because it can be changed into a prime (2227538939) 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, 4906247 + ... + 4906700.

It is an arithmetic number, because the mean of its divisors is an integer number (559338036).

Almost surely, 2^2227538969 is an apocalyptic number.

It is an amenable number.

2227538969 is a deficient number, since it is larger than the sum of its proper divisors (9813175).

2227538969 is an equidigital number, since it uses as much as digits as its factorization.

2227538969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813174.

The product of its digits is 3265920, while the sum is 53.

The square root of 2227538969 is about 47196.8110045583. The cubic root of 2227538969 is about 1305.9957695018.

The spelling of 2227538969 in words is "two billion, two hundred twenty-seven million, five hundred thirty-eight thousand, nine hundred sixty-nine".