2297569428 has 288 divisors, whose sum is σ = 7825507200. Its totient is φ = 575769600.

The previous prime is 2297569423. The next prime is 2297569459. The reversal of 2297569428 is 8249657922.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2297569423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1687468 + ... + 1688828.

It is an arithmetic number, because the mean of its divisors is an integer number (27171900).

Almost surely, 2^2297569428 is an apocalyptic number.

2297569428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2297569428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3912753600).

2297569428 is an abundant number, since it is smaller than the sum of its proper divisors (5527937772).

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

2297569428 is a wasteful number, since it uses less digits than its factorization.

2297569428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428 (or 1413 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 2297569428 is about 47932.9680700038. The cubic root of 2297569428 is about 1319.5409767592.

It can be divided in two parts, 229 and 7569428, that added together give a palindrome (7569657).

The spelling of 2297569428 in words is "two billion, two hundred ninety-seven million, five hundred sixty-nine thousand, four hundred twenty-eight".