2235641636 has 12 divisors (see below), whose sum is σ = 3913114380. Its totient is φ = 1117608960.

The previous prime is 2235641543. The next prime is 2235641651. The reversal of 2235641636 is 6361465322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 334158400 + 1901483236 = 18280^2 + 43606^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2235641636.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27905 + ... + 72456.

It is an arithmetic number, because the mean of its divisors is an integer number (326092865).

Almost surely, 2^2235641636 is an apocalyptic number.

It is an amenable number.

2235641636 is a deficient number, since it is larger than the sum of its proper divisors (1677472744).

2235641636 is a wasteful number, since it uses less digits than its factorization.

2235641636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105934 (or 105932 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The square root of 2235641636 is about 47282.5722227545. The cubic root of 2235641636 is about 1307.5773720554.

The spelling of 2235641636 in words is "two billion, two hundred thirty-five million, six hundred forty-one thousand, six hundred thirty-six".