2220421037 has 2 divisors, whose sum is σ = 2220421038. Its totient is φ = 2220421036.

The previous prime is 2220421019. The next prime is 2220421109. The reversal of 2220421037 is 7301240222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1970116996 + 250304041 = 44386^2 + 15821^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220421037 - 2¹⁴ = 2220404653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220921037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110210518 + 1110210519.

It is an arithmetic number, because the mean of its divisors is an integer number (1110210519).

Almost surely, 2^2220421037 is an apocalyptic number.

It is an amenable number.

2220421037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220421037 is an equidigital number, since it uses as much as digits as its factorization.

2220421037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2220421037 is about 47121.3437520621. The cubic root of 2220421037 is about 1304.6032150030.

Adding to 2220421037 its reverse (7301240222), we get a palindrome (9521661259).

The spelling of 2220421037 in words is "two billion, two hundred twenty million, four hundred twenty-one thousand, thirty-seven".