2220021149 has 2 divisors, whose sum is σ = 2220021150. Its totient is φ = 2220021148.

The previous prime is 2220021121. The next prime is 2220021227. The reversal of 2220021149 is 9411200222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1869957049 + 350064100 = 43243^2 + 18710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220021149 - 2⁸ = 2220020893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220621149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110010574 + 1110010575.

It is an arithmetic number, because the mean of its divisors is an integer number (1110010575).

Almost surely, 2^2220021149 is an apocalyptic number.

It is an amenable number.

2220021149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220021149 is an equidigital number, since it uses as much as digits as its factorization.

2220021149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2220021149 is about 47117.1003882879. The cubic root of 2220021149 is about 1304.5248925462.

The spelling of 2220021149 in words is "two billion, two hundred twenty million, twenty-one thousand, one hundred forty-nine".