2223994558 has 4 divisors (see below), whose sum is σ = 3335991840. Its totient is φ = 1111997278.

The previous prime is 2223994511. The next prime is 2223994559. The reversal of 2223994558 is 8554993222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223994559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555998638 + ... + 555998641.

It is an arithmetic number, because the mean of its divisors is an integer number (833997960).

Almost surely, 2^2223994558 is an apocalyptic number.

2223994558 is a deficient number, since it is larger than the sum of its proper divisors (1111997282).

2223994558 is a wasteful number, since it uses less digits than its factorization.

2223994558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111997281.

The product of its digits is 1555200, while the sum is 49.

The square root of 2223994558 is about 47159.2467921191. The cubic root of 2223994558 is about 1305.3027112001.

The spelling of 2223994558 in words is "two billion, two hundred twenty-three million, nine hundred ninety-four thousand, five hundred fifty-eight".