2285442421 has 2 divisors, whose sum is σ = 2285442422. Its totient is φ = 2285442420.

The previous prime is 2285442391. The next prime is 2285442437. The reversal of 2285442421 is 1242445822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2120602500 + 164839921 = 46050^2 + 12839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285442421 - 2¹⁵ = 2285409653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2285442461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142721210 + 1142721211.

It is an arithmetic number, because the mean of its divisors is an integer number (1142721211).

Almost surely, 2^2285442421 is an apocalyptic number.

It is an amenable number.

2285442421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285442421 is an equidigital number, since it uses as much as digits as its factorization.

2285442421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40960, while the sum is 34.

The square root of 2285442421 is about 47806.3010595884. The cubic root of 2285442421 is about 1317.2152843233.

The spelling of 2285442421 in words is "two billion, two hundred eighty-five million, four hundred forty-two thousand, four hundred twenty-one".