2202900421 has 2 divisors, whose sum is σ = 2202900422. Its totient is φ = 2202900420.

The previous prime is 2202900379. The next prime is 2202900431. The reversal of 2202900421 is 1240092022.

2202900421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481172196 + 721728225 = 38486^2 + 26865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202900421 - 2¹⁹ = 2202376133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202900392 and 2202900401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202900431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101450210 + 1101450211.

It is an arithmetic number, because the mean of its divisors is an integer number (1101450211).

Almost surely, 2^2202900421 is an apocalyptic number.

It is an amenable number.

2202900421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202900421 is an equidigital number, since it uses as much as digits as its factorization.

2202900421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2202900421 is about 46935.0660061323. The cubic root of 2202900421 is about 1301.1627508223.

Adding to 2202900421 its reverse (1240092022), we get a palindrome (3442992443).

The spelling of 2202900421 in words is "two billion, two hundred two million, nine hundred thousand, four hundred twenty-one".