222401024305549 has 2 divisors, whose sum is σ = 222401024305550. Its totient is φ = 222401024305548.

The previous prime is 222401024305487. The next prime is 222401024305553. The reversal of 222401024305549 is 945503420104222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219832960365225 + 2568063940324 = 14826765^2 + 1602518^2 .

It is a cyclic number.

It is not a de Polignac number, because 222401024305549 - 2⁴⁵ = 187216652216717 is a prime.

It is a super-2 number, since 2×222401024305549² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222401024300549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111200512152774 + 111200512152775.

It is an arithmetic number, because the mean of its divisors is an integer number (111200512152775).

Almost surely, 2^{222401024305549} is an apocalyptic number.

It is an amenable number.

222401024305549 is a deficient number, since it is larger than the sum of its proper divisors (1).

222401024305549 is an equidigital number, since it uses as much as digits as its factorization.

222401024305549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 222401024305549 in words is "two hundred twenty-two trillion, four hundred one billion, twenty-four million, three hundred five thousand, five hundred forty-nine".