1220022220037 has 2 divisors, whose sum is σ = 1220022220038. Its totient is φ = 1220022220036.

The previous prime is 1220022220013. The next prime is 1220022220051. The reversal of 1220022220037 is 7300222200221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800119516036 + 419902704001 = 894494^2 + 647999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220022220037 - 2¹² = 1220022215941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220022219994 and 1220022220021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220022226037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610011110018 + 610011110019.

It is an arithmetic number, because the mean of its divisors is an integer number (610011110019).

Almost surely, 2^{1220022220037} is an apocalyptic number.

It is an amenable number.

1220022220037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220022220037 is an equidigital number, since it uses as much as digits as its factorization.

1220022220037 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.

Adding to 1220022220037 its reverse (7300222200221), we get a palindrome (8520244420258).

The spelling of 1220022220037 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twenty thousand, thirty-seven".