2210021069 has 2 divisors, whose sum is σ = 2210021070. Its totient is φ = 2210021068.

The previous prime is 2210021059. The next prime is 2210021087. The reversal of 2210021069 is 9601200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2112505444 + 97515625 = 45962^2 + 9875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210021069 - 2¹⁶ = 2209955533 is a prime.

It is a super-2 number, since 2×2210021069² = 9768386250847805522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210021039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105010534 + 1105010535.

It is an arithmetic number, because the mean of its divisors is an integer number (1105010535).

Almost surely, 2^2210021069 is an apocalyptic number.

It is an amenable number.

2210021069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210021069 is an equidigital number, since it uses as much as digits as its factorization.

2210021069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2210021069 is about 47010.8611812207. The cubic root of 2210021069 is about 1302.5632010181.

The spelling of 2210021069 in words is "two billion, two hundred ten million, twenty-one thousand, sixty-nine".