222030186640 has 40 divisors (see below), whose sum is σ = 521232049728. Its totient is φ = 87949818240.

The previous prime is 222030186613. The next prime is 222030186641. The reversal of 222030186640 is 46681030222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 222030186596 and 222030186605.

It is not an unprimeable number, because it can be changed into a prime (222030186641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13464466 + ... + 13480945.

Almost surely, 2^222030186640 is an apocalyptic number.

222030186640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222030186640 is an abundant number, since it is smaller than the sum of its proper divisors (299201863088).

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

222030186640 is a wasteful number, since it uses less digits than its factorization.

222030186640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26945527 (or 26945521 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 222030186640 in words is "two hundred twenty-two billion, thirty million, one hundred eighty-six thousand, six hundred forty".