2221020023 has 2 divisors, whose sum is σ = 2221020024. Its totient is φ = 2221020022.

The previous prime is 2221020019. The next prime is 2221020031. The reversal of 2221020023 is 3200201222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221020023 - 2² = 2221020019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221520023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110510011 + 1110510012.

It is an arithmetic number, because the mean of its divisors is an integer number (1110510012).

Almost surely, 2^2221020023 is an apocalyptic number.

2221020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221020023 is an equidigital number, since it uses as much as digits as its factorization.

2221020023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2221020023 is about 47127.6991057276. The cubic root of 2221020023 is about 1304.7205153995.

Adding to 2221020023 its reverse (3200201222), we get a palindrome (5421221245).

The spelling of 2221020023 in words is "two billion, two hundred twenty-one million, twenty thousand, twenty-three".