222000001373 has 2 divisors, whose sum is σ = 222000001374. Its totient is φ = 222000001372.

The previous prime is 222000001351. The next prime is 222000001397. The reversal of 222000001373 is 373100000222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218932281604 + 3067719769 = 467902^2 + 55387^2 .

It is a cyclic number.

It is not a de Polignac number, because 222000001373 - 2²⁰ = 221998952797 is a prime.

It is a super-2 number, since 2×222000001373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222000001303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000000686 + 111000000687.

It is an arithmetic number, because the mean of its divisors is an integer number (111000000687).

Almost surely, 2^222000001373 is an apocalyptic number.

It is an amenable number.

222000001373 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000001373 is an equidigital number, since it uses as much as digits as its factorization.

222000001373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

Adding to 222000001373 its reverse (373100000222), we get a palindrome (595100001595).

The spelling of 222000001373 in words is "two hundred twenty-two billion, one thousand, three hundred seventy-three".