2224123919 has 4 divisors (see below), whose sum is σ = 2255449680. Its totient is φ = 2192798160.

The previous prime is 2224123901. The next prime is 2224123931. The reversal of 2224123919 is 9193214222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9193214222 = 2 ⋅4596607111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2224123919 is a prime.

It is a super-2 number, since 2×2224123919² = 9893454414135837122, 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 (2224123619) 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, 15662774 + ... + 15662915.

It is an arithmetic number, because the mean of its divisors is an integer number (563862420).

Almost surely, 2^2224123919 is an apocalyptic number.

2224123919 is a deficient number, since it is larger than the sum of its proper divisors (31325761).

2224123919 is an equidigital number, since it uses as much as digits as its factorization.

2224123919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31325760.

The product of its digits is 15552, while the sum is 35.

The square root of 2224123919 is about 47160.6183059552. The cubic root of 2224123919 is about 1305.3280188146.

The spelling of 2224123919 in words is "two billion, two hundred twenty-four million, one hundred twenty-three thousand, nine hundred nineteen".