2235961788 has 72 divisors (see below), whose sum is σ = 5625497472. Its totient is φ = 690936576.

The previous prime is 2235961787. The next prime is 2235961807. The reversal of 2235961788 is 8871695322.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 2235961788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235961787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227545 + ... + 237167.

Almost surely, 2^2235961788 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 2235961788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2812748736).

2235961788 is an abundant number, since it is smaller than the sum of its proper divisors (3389535684).

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

2235961788 is a wasteful number, since it uses less digits than its factorization.

2235961788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731 (or 9712 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 2235961788 is about 47285.9576195724. The cubic root of 2235961788 is about 1307.6397856854.

The spelling of 2235961788 in words is "two billion, two hundred thirty-five million, nine hundred sixty-one thousand, seven hundred eighty-eight".