2219204869 has 4 divisors (see below), whose sum is σ = 2536234144. Its totient is φ = 1902175596.

The previous prime is 2219204861. The next prime is 2219204881. The reversal of 2219204869 is 9684029122.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9684029122 = 2 ⋅4842014561.

It is a cyclic number.

It is not a de Polignac number, because 2219204869 - 2³ = 2219204861 is a prime.

It is a super-2 number, since 2×2219204869² = 9849740501186614322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219204861) 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, 158514627 + ... + 158514640.

It is an arithmetic number, because the mean of its divisors is an integer number (634058536).

Almost surely, 2^2219204869 is an apocalyptic number.

It is an amenable number.

2219204869 is a deficient number, since it is larger than the sum of its proper divisors (317029275).

2219204869 is an equidigital number, since it uses as much as digits as its factorization.

2219204869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317029274.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2219204869 is about 47108.4373440682. The cubic root of 2219204869 is about 1304.3649859437.

The spelling of 2219204869 in words is "two billion, two hundred nineteen million, two hundred four thousand, eight hundred sixty-nine".