2228929545332 has 144 divisors (see below), whose sum is σ = 4728782494800. Its totient is φ = 915815577600.

The previous prime is 2228929545281. The next prime is 2228929545361. The reversal of 2228929545332 is 2335459298222.

It can be written as a sum of positive squares in 8 ways, for example, as 512478447376 + 1716451097956 = 715876^2 + 1310134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955390838 + ... + 955393170.

It is an arithmetic number, because the mean of its divisors is an integer number (32838767325).

Almost surely, 2^{2228929545332} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228929545332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2364391247400).

2228929545332 is an abundant number, since it is smaller than the sum of its proper divisors (2499852949468).

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

2228929545332 is a wasteful number, since it uses less digits than its factorization.

2228929545332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402 (or 4393 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 56.

The spelling of 2228929545332 in words is "two trillion, two hundred twenty-eight billion, nine hundred twenty-nine million, five hundred forty-five thousand, three hundred thirty-two".