1613122223 has 4 divisors (see below), whose sum is σ = 1613282400. Its totient is φ = 1612962048.

The previous prime is 1613122213. The next prime is 1613122229. The reversal of 1613122223 is 3222213161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3222213161 = 14533 ⋅221717.

It is a cyclic number.

It is not a de Polignac number, because 1613122223 - 2¹⁴ = 1613105839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613122229) 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, 63890 + ... + 85487.

It is an arithmetic number, because the mean of its divisors is an integer number (403320600).

Almost surely, 2^1613122223 is an apocalyptic number.

1613122223 is a deficient number, since it is larger than the sum of its proper divisors (160177).

1613122223 is a wasteful number, since it uses less digits than its factorization.

1613122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160176.

The product of its digits is 864, while the sum is 23.

The square root of 1613122223 is about 40163.6928456535. The cubic root of 1613122223 is about 1172.7958614053.

Adding to 1613122223 its reverse (3222213161), we get a palindrome (4835335384).

The spelling of 1613122223 in words is "one billion, six hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-three".