228901962969 has 27 divisors (see below), whose sum is σ = 334153829919. Its totient is φ = 150994717200.

The previous prime is 228901962941. The next prime is 228901962983. The reversal of 228901962969 is 969269109822.

The square root of 228901962969 is 478437.

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., 219926295369 + 8975667600 = 468963^2 + 94740^2 .

It is not a de Polignac number, because 228901962969 - 2⁵ = 228901962937 is a prime.

It is a super-2 number, since 2×228901962969² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228901962169) 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, 144965622 + ... + 144967200.

Almost surely, 2^228901962969 is an apocalyptic number.

228901962969 is the 478437-th square number.

228901962969 is the 239219-th centered octagonal number.

It is an amenable number.

228901962969 is a deficient number, since it is larger than the sum of its proper divisors (105251866950).

228901962969 is an frugal number, since it uses more digits than its factorization.

228901962969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The spelling of 228901962969 in words is "two hundred twenty-eight billion, nine hundred one million, nine hundred sixty-two thousand, nine hundred sixty-nine".