222291116450 has 162 divisors, whose sum is σ = 470133009171. Its totient is φ = 78156112320.

The previous prime is 222291116429. The next prime is 222291116461. The reversal of 222291116450 is 54611192222.

It can be written as a sum of positive squares in 5 ways, for example, as 13916213089 + 208374903361 = 117967^2 + 456481^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333385.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222291116450.

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, 996821039 + ... + 996821261.

Almost surely, 2^222291116450 is an apocalyptic number.

222291116450 is an abundant number, since it is smaller than the sum of its proper divisors (247841892721).

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

222291116450 is a wasteful number, since it uses less digits than its factorization.

222291116450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 222291116450 in words is "two hundred twenty-two billion, two hundred ninety-one million, one hundred sixteen thousand, four hundred fifty".