2287255421 has 8 divisors (see below), whose sum is σ = 2495841600. Its totient is φ = 2078778240.

The previous prime is 2287255391. The next prime is 2287255459. The reversal of 2287255421 is 1245527822.

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

It is not a de Polignac number, because 2287255421 - 2¹⁴ = 2287239037 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 (2287255471) 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, 20240 + ... + 70598.

It is an arithmetic number, because the mean of its divisors is an integer number (311980200).

Almost surely, 2^2287255421 is an apocalyptic number.

It is an amenable number.

2287255421 is a deficient number, since it is larger than the sum of its proper divisors (208586179).

2287255421 is a wasteful number, since it uses less digits than its factorization.

2287255421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54499.

The product of its digits is 89600, while the sum is 38.

The square root of 2287255421 is about 47825.2592360982. The cubic root of 2287255421 is about 1317.5634999226.

The spelling of 2287255421 in words is "two billion, two hundred eighty-seven million, two hundred fifty-five thousand, four hundred twenty-one".