2229756528 has 40 divisors (see below), whose sum is σ = 6010651008. Its totient is φ = 710936512.

The previous prime is 2229756527. The next prime is 2229756559. The reversal of 2229756528 is 8256579222.

It is a super-2 number, since 2×2229756528² = 9943628348317229568, 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 (2229756521) 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, 1008750 + ... + 1010957.

Almost surely, 2^2229756528 is an apocalyptic number.

It is an amenable number.

2229756528 is an abundant number, since it is smaller than the sum of its proper divisors (3780894480).

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

2229756528 is a wasteful number, since it uses less digits than its factorization.

2229756528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019741 (or 2019735 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 2229756528 is about 47220.2978389590. The cubic root of 2229756528 is about 1306.4290072880.

It can be divided in two parts, 222975 and 6528, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 2229756528 in words is "two billion, two hundred twenty-nine million, seven hundred fifty-six thousand, five hundred twenty-eight".