222610090081 has 4 divisors (see below), whose sum is σ = 223325878464. Its totient is φ = 221894301700.

The previous prime is 222610090067. The next prime is 222610090117. The reversal of 222610090081 is 180090016222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222610090081 - 2⁵ = 222610090049 is a prime.

It is a super-2 number, since 2×222610090081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222610030081) 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 in 3 ways as a sum of consecutive naturals, for example, 357893725 + ... + 357894346.

It is an arithmetic number, because the mean of its divisors is an integer number (55831469616).

Almost surely, 2^222610090081 is an apocalyptic number.

It is an amenable number.

222610090081 is a deficient number, since it is larger than the sum of its proper divisors (715788383).

222610090081 is an equidigital number, since it uses as much as digits as its factorization.

222610090081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715788382.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 222610090081 in words is "two hundred twenty-two billion, six hundred ten million, ninety thousand, eighty-one".