2203145401 has 4 divisors (see below), whose sum is σ = 2203689600. Its totient is φ = 2202601204.

The previous prime is 2203145369. The next prime is 2203145429. The reversal of 2203145401 is 1045413022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2203145401 - 2⁵ = 2203145369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203145431) 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, 265981 + ... + 274138.

It is an arithmetic number, because the mean of its divisors is an integer number (550922400).

Almost surely, 2^2203145401 is an apocalyptic number.

It is an amenable number.

2203145401 is a deficient number, since it is larger than the sum of its proper divisors (544199).

2203145401 is an equidigital number, since it uses as much as digits as its factorization.

2203145401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544198.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2203145401 is about 46937.6757093915. The cubic root of 2203145401 is about 1301.2109822406.

Adding to 2203145401 its reverse (1045413022), we get a palindrome (3248558423).

The spelling of 2203145401 in words is "two billion, two hundred three million, one hundred forty-five thousand, four hundred one".