2288238401 has 4 divisors (see below), whose sum is σ = 2288392404. Its totient is φ = 2288084400.

The previous prime is 2288238353. The next prime is 2288238443. The reversal of 2288238401 is 1048328822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1847280400 + 440958001 = 42980^2 + 20999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2288238401 is a prime.

It is a super-2 number, since 2×2288238401² = 10472069959622073602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2218238401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52010 + ... + 85331.

It is an arithmetic number, because the mean of its divisors is an integer number (572098101).

Almost surely, 2^2288238401 is an apocalyptic number.

It is an amenable number.

2288238401 is a deficient number, since it is larger than the sum of its proper divisors (154003).

2288238401 is a wasteful number, since it uses less digits than its factorization.

2288238401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154002.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 2288238401 is about 47835.5349191373. The cubic root of 2288238401 is about 1317.7522200027.

The spelling of 2288238401 in words is "two billion, two hundred eighty-eight million, two hundred thirty-eight thousand, four hundred one".