2202294821 has 2 divisors, whose sum is σ = 2202294822. Its totient is φ = 2202294820.

The previous prime is 2202294791. The next prime is 2202294823. The reversal of 2202294821 is 1284922022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1246866721 + 955428100 = 35311^2 + 30910^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202294821 - 2²² = 2198100517 is a prime.

Together with 2202294823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202294823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101147410 + 1101147411.

It is an arithmetic number, because the mean of its divisors is an integer number (1101147411).

Almost surely, 2^2202294821 is an apocalyptic number.

It is an amenable number.

2202294821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202294821 is an equidigital number, since it uses as much as digits as its factorization.

2202294821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 2202294821 is about 46928.6140963059. The cubic root of 2202294821 is about 1301.0435055501.

The spelling of 2202294821 in words is "two billion, two hundred two million, two hundred ninety-four thousand, eight hundred twenty-one".