222742081458 has 162 divisors, whose sum is σ = 537725082141. Its totient is φ = 66605771232.

The previous prime is 222742081421. The next prime is 222742081483. The reversal of 222742081458 is 854180247222.

It can be written as a sum of positive squares in 2 ways, for example, as 190451069649 + 32291011809 = 436407^2 + 179697^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333723.

It is a super-2 number, since 2×222742081458² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1119306843 + ... + 1119307041.

Almost surely, 2^222742081458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222742081458

222742081458 is an abundant number, since it is smaller than the sum of its proper divisors (314983000683).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222742081458 is a wasteful number, since it uses less digits than its factorization.

222742081458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 222742081458 in words is "two hundred twenty-two billion, seven hundred forty-two million, eighty-one thousand, four hundred fifty-eight".