2235726890 has 16 divisors (see below), whose sum is σ = 4025338632. Its totient is φ = 894061824.

The previous prime is 2235726877. The next prime is 2235726893. The reversal of 2235726890 is 986275322.

It can be written as a sum of positive squares in 4 ways, for example, as 2230767361 + 4959529 = 47231^2 + 2227^2 .

It is a super-3 number, since 3×2235726890³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2235726893) 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 7 ways as a sum of consecutive naturals, for example, 15662 + ... + 68678.

Almost surely, 2^2235726890 is an apocalyptic number.

2235726890 is a deficient number, since it is larger than the sum of its proper divisors (1789611742).

2235726890 is a wasteful number, since it uses less digits than its factorization.

2235726890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57241.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2235726890 is about 47283.4737514071. The cubic root of 2235726890 is about 1307.5939929041.

The spelling of 2235726890 in words is "two billion, two hundred thirty-five million, seven hundred twenty-six thousand, eight hundred ninety".