222066525226 has 64 divisors (see below), whose sum is σ = 456931480320. Its totient is φ = 78331069440.

The previous prime is 222066525221. The next prime is 222066525287. The reversal of 222066525226 is 622525660222.

It is not an unprimeable number, because it can be changed into a prime (222066525221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1829985 + ... + 1947556.

It is an arithmetic number, because the mean of its divisors is an integer number (7139554380).

Almost surely, 2^222066525226 is an apocalyptic number.

222066525226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222066525226 is an abundant number, since it is smaller than the sum of its proper divisors (234864955094).

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

222066525226 is a wasteful number, since it uses less digits than its factorization.

222066525226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777599.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 222066525226 in words is "two hundred twenty-two billion, sixty-six million, five hundred twenty-five thousand, two hundred twenty-six".