223426070449 has 2 divisors, whose sum is σ = 223426070450. Its totient is φ = 223426070448.

The previous prime is 223426070431. The next prime is 223426070477. The reversal of 223426070449 is 944070624322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143595523600 + 79830546849 = 378940^2 + 282543^2 .

It is a cyclic number.

It is not a de Polignac number, because 223426070449 - 2³¹ = 221278586801 is a prime.

It is a super-2 number, since 2×223426070449² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (223426070429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111713035224 + 111713035225.

It is an arithmetic number, because the mean of its divisors is an integer number (111713035225).

Almost surely, 2^223426070449 is an apocalyptic number.

It is an amenable number.

223426070449 is a deficient number, since it is larger than the sum of its proper divisors (1).

223426070449 is an equidigital number, since it uses as much as digits as its factorization.

223426070449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 223426070449 in words is "two hundred twenty-three billion, four hundred twenty-six million, seventy thousand, four hundred forty-nine".