2236780157 has 8 divisors (see below), whose sum is σ = 2247276600. Its totient is φ = 2226309120.

The previous prime is 2236780123. The next prime is 2236780163. The reversal of 2236780157 is 7510876322.

2236780157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 282609721 + 1954170436 = 16811^2 + 44206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2236780157 - 2²⁰ = 2235731581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236780177) 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, 183113 + ... + 194945.

It is an arithmetic number, because the mean of its divisors is an integer number (280909575).

Almost surely, 2^2236780157 is an apocalyptic number.

It is an amenable number.

2236780157 is a deficient number, since it is larger than the sum of its proper divisors (10496443).

2236780157 is a wasteful number, since it uses less digits than its factorization.

2236780157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 2236780157 is about 47294.6102320338. The cubic root of 2236780157 is about 1307.7992996418.

The spelling of 2236780157 in words is "two billion, two hundred thirty-six million, seven hundred eighty thousand, one hundred fifty-seven".