2220220973 has 2 divisors, whose sum is σ = 2220220974. Its totient is φ = 2220220972.

The previous prime is 2220220957. The next prime is 2220220991. The reversal of 2220220973 is 3790220222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1861232164 + 358988809 = 43142^2 + 18947^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220220973 - 2⁴ = 2220220957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220220903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110110486 + 1110110487.

It is an arithmetic number, because the mean of its divisors is an integer number (1110110487).

Almost surely, 2^2220220973 is an apocalyptic number.

It is an amenable number.

2220220973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220220973 is an equidigital number, since it uses as much as digits as its factorization.

2220220973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2220220973 is about 47119.2208445768. The cubic root of 2220220973 is about 1304.5640314469.

The spelling of 2220220973 in words is "two billion, two hundred twenty million, two hundred twenty thousand, nine hundred seventy-three".