2223865335169 has 9 divisors (see below), whose sum is σ = 2272259962947. Its totient is φ = 2176480453344.

The previous prime is 2223865335101. The next prime is 2223865335179. The reversal of 2223865335169 is 9615335683222.

The square root of 2223865335169 is 1491263.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2113136117569 + 110729217600 = 1453663^2 + 332760^2 .

It is not a de Polignac number, because 2223865335169 - 2²⁹ = 2223328464257 is a prime.

It is a super-2 number, since 2×2223865335169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223865335179) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70073497 + ... + 70105225.

Almost surely, 2^{2223865335169} is an apocalyptic number.

2223865335169 is the 1491263-rd square number.

2223865335169 is the 745632-nd centered octagonal number.

It is an amenable number.

2223865335169 is a deficient number, since it is larger than the sum of its proper divisors (48394627778).

2223865335169 is an frugal number, since it uses more digits than its factorization.

2223865335169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63552 (or 31776 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 55.

It can be divided in two parts, 222386 and 5335169, that added together give a palindrome (5557555).

The spelling of 2223865335169 in words is "two trillion, two hundred twenty-three billion, eight hundred sixty-five million, three hundred thirty-five thousand, one hundred sixty-nine".