2265622019 has 8 divisors (see below), whose sum is σ = 2288428608. Its totient is φ = 2242906560.

The previous prime is 2265621989. The next prime is 2265622039. The reversal of 2265622019 is 9102265622.

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

It is a cyclic number.

It is not a de Polignac number, because 2265622019 - 2¹² = 2265617923 is a prime.

It is a super-2 number, since 2×2265622019² = 10266086265955272722, 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 2265622019.

It is not an unprimeable number, because it can be changed into a prime (2265622039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27749 + ... + 72809.

It is an arithmetic number, because the mean of its divisors is an integer number (286053576).

Almost surely, 2^2265622019 is an apocalyptic number.

2265622019 is a deficient number, since it is larger than the sum of its proper divisors (22806589).

2265622019 is a wasteful number, since it uses less digits than its factorization.

2265622019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45565.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2265622019 is about 47598.5505976810. The cubic root of 2265622019 is about 1313.3963920882.

The spelling of 2265622019 in words is "two billion, two hundred sixty-five million, six hundred twenty-two thousand, nineteen".