2045211229 has 2 divisors, whose sum is σ = 2045211230. Its totient is φ = 2045211228.

The previous prime is 2045211131. The next prime is 2045211253. The reversal of 2045211229 is 9221125402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1536483204 + 508728025 = 39198^2 + 22555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045211229 - 2¹⁵ = 2045178461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045211197 and 2045211206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045211629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022605614 + 1022605615.

It is an arithmetic number, because the mean of its divisors is an integer number (1022605615).

Almost surely, 2^2045211229 is an apocalyptic number.

It is an amenable number.

2045211229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045211229 is an equidigital number, since it uses as much as digits as its factorization.

2045211229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2045211229 is about 45224.0116420470. The cubic root of 2045211229 is about 1269.3441607261.

The spelling of 2045211229 in words is "two billion, forty-five million, two hundred eleven thousand, two hundred twenty-nine".