2266997769 has 27 divisors (see below), whose sum is σ = 3343422823. Its totient is φ = 1480192944.

The previous prime is 2266997723. The next prime is 2266997809. The reversal of 2266997769 is 9677996622.

The square root of 2266997769 is 47613.

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., 149157369 + 2117840400 = 12213^2 + 46020^2 .

It is not a de Polignac number, because 2266997769 - 2⁷ = 2266997641 is a prime.

It is a super-2 number, since 2×2266997769² = 10278557769301954722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2266997069) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8427367 + ... + 8427635.

Almost surely, 2^2266997769 is an apocalyptic number.

2266997769 is the 47613-rd square number.

2266997769 is the 23807-th centered octagonal number.

It is an amenable number.

2266997769 is a deficient number, since it is larger than the sum of its proper divisors (1076425054).

2266997769 is an frugal number, since it uses more digits than its factorization.

2266997769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 331 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The cubic root of 2266997769 is about 1313.6621821538.

The spelling of 2266997769 in words is "two billion, two hundred sixty-six million, nine hundred ninety-seven thousand, seven hundred sixty-nine".