223156022449 has 4 divisors (see below), whose sum is σ = 223830210160. Its totient is φ = 222481834740.

The previous prime is 223156022407. The next prime is 223156022519. The reversal of 223156022449 is 944220651322.

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 not a de Polignac number, because 223156022449 - 2¹⁵ = 223155989681 is a prime.

It is a super-3 number, since 3×223156022449³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223156022149) 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, 337093359 + ... + 337094020.

It is an arithmetic number, because the mean of its divisors is an integer number (55957552540).

Almost surely, 2^223156022449 is an apocalyptic number.

It is an amenable number.

223156022449 is a deficient number, since it is larger than the sum of its proper divisors (674187711).

223156022449 is an equidigital number, since it uses as much as digits as its factorization.

223156022449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674187710.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 223156022449 in words is "two hundred twenty-three billion, one hundred fifty-six million, twenty-two thousand, four hundred forty-nine".