2263444155 has 96 divisors (see below), whose sum is σ = 4763985408. Its totient is φ = 1009324800.

The previous prime is 2263444151. The next prime is 2263444159. The reversal of 2263444155 is 5514443622.

2263444155 is a `hidden beast` number, since 2 + 2 + 63 + 444 + 155 = 666.

It is an interprime number because it is at equal distance from previous prime (2263444151) and next prime (2263444159).

It is not a de Polignac number, because 2263444155 - 2² = 2263444151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2263444151) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 345460 + ... + 351950.

It is an arithmetic number, because the mean of its divisors is an integer number (49624848).

Almost surely, 2^2263444155 is an apocalyptic number.

2263444155 is an abundant number, since it is smaller than the sum of its proper divisors (2500541253).

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

2263444155 is an equidigital number, since it uses as much as digits as its factorization.

2263444155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6559 (or 6547 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 2263444155 is about 47575.6676779212. The cubic root of 2263444155 is about 1312.9754163444.

Adding to 2263444155 its reverse (5514443622), we get a palindrome (7777887777).

The spelling of 2263444155 in words is "two billion, two hundred sixty-three million, four hundred forty-four thousand, one hundred fifty-five".