2269187328 has 72 divisors (see below), whose sum is σ = 6357248800. Its totient is φ = 716580864.

The previous prime is 2269187311. The next prime is 2269187329. The reversal of 2269187328 is 8237819622.

It is a super-2 number, since 2×2269187328² = 10298422259111559168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269187329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63163 + ... + 92346.

Almost surely, 2^2269187328 is an apocalyptic number.

It is an amenable number.

2269187328 is an abundant number, since it is smaller than the sum of its proper divisors (4088061472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2269187328 is a wasteful number, since it uses less digits than its factorization.

2269187328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155547 (or 155533 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 2269187328 is about 47635.9877403629. The cubic root of 2269187328 is about 1314.0849755887.

It can be divided in two parts, 2269187 and 328, that added together give a triangular number (2269515 = T₂₁₃₀).

The spelling of 2269187328 in words is "two billion, two hundred sixty-nine million, one hundred eighty-seven thousand, three hundred twenty-eight".