2046245221 has 2 divisors, whose sum is σ = 2046245222. Its totient is φ = 2046245220.

The previous prime is 2046245203. The next prime is 2046245269. The reversal of 2046245221 is 1225426402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1037484100 + 1008761121 = 32210^2 + 31761^2 .

It is a cyclic number.

It is not a de Polignac number, because 2046245221 - 2⁷ = 2046245093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2046245221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2046245321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023122610 + 1023122611.

It is an arithmetic number, because the mean of its divisors is an integer number (1023122611).

Almost surely, 2^2046245221 is an apocalyptic number.

It is an amenable number.

2046245221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2046245221 is an equidigital number, since it uses as much as digits as its factorization.

2046245221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2046245221 is about 45235.4420891407. The cubic root of 2046245221 is about 1269.5580376705.

The spelling of 2046245221 in words is "two billion, forty-six million, two hundred forty-five thousand, two hundred twenty-one".